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What is the meaning of contagious?

Author

David Ramirez

Updated on March 11, 2026

What is the meaning of contagious?

1 : transmissible by direct or indirect contact with an infected person contagious diseases contagious intestinal illness contagious skin rash contagious viruses — see also contagious disease. 2 : bearing contagion contagious people.

Considering this, what is the means of contagious?

Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human. Lyme disease is an example: You can't catch it from someone you're hanging out with or pass in the street.

Also, what is a sentence for contagious? Contagious sentence examples. He flashed one of his contagious smiles. She laughed, a contagious sound, and he saw her effect even on Darian, who had relaxed and sat in a chair nearby. This disease is more accidental than contagious and rarely takes very dangerous proportions.

In this manner, what is the meaning of highly contagious?

(of a disease) able to be caught by touching someone with the disease or something the person has touched or worn, or (of a person) having this type of disease: a highly contagious strain of flu. fig. Contagious also means moving easily from one person to another: The mood was contagious, and soon everyone was laughing

What are contagious diseases examples?

Common examples of contagious viral diseases include the flu, the common cold, HIV, and herpes. Other types of viral diseases spread through other means, such as the bite of an infected insect.

What is a contagious laugh?

9: Contagious Laughter

Someone tells a joke and gets one person laughing, which gets a second person laughing, and so on.

What is contagious smile?

Smile! It makes everyone in the room feel better because they, consciously or unconsciously, are smiling with you. Growing evidence shows that an instinct for facial mimicry allows us to empathize with and even experience other people's feelings.

What things are contagious?

Yawning, laughing, itching, coughing, vomiting, and crying are all socially contagious. Yawning is so infectious, says psychologist Robert R. Provine, author of Curious Behavior, that we yawn when we see, hear, or even read about someone else doing it.

What word means easily passed from person to person?

synonym study for contagious

1. Contagious, literally “communicable by contact,” describes a very easily transmitted disease as influenza or the common cold.

At what stage is flu contagious?

The flu is contagious from the day before symptoms start to five to seven days after becoming sick. The incubation period of the flu, or how long it can take to develop symptoms after exposure and infection, is about one to four days.

What is the root word of contagious?

Contagious actually evolved from contagio, the Latin phrase for “contact." Those smart ancient Romans — they figured out that the sick and contagious can pass on their plague to those they touch or get close to.

What does not contagious mean?

Definition. Non Contagious Disease: This is a disease which is not easily transmitted from person to person. It may require the aid of a vector (e.g. a mosquito), or it may result from a shared environmental issue e.g. food poisoning or a common travel history.

What's another word for contagious?

In this page you can discover 40 synonyms, antonyms, idiomatic expressions, and related words for contagious, like: transmittable, infectious, communicable, transmissible, spread, spreading, poisonous, vitiating, contagion, disease and pestilential.

Is there a difference between contagious and infectious?

Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human.

Is leprosy contagious or infectious?

Leprosy has been around since ancient times. Outbreaks have affected people on every continent. But leprosy, also known as Hanson's disease, isn't that contagious. You can catch it only if you come into close and repeated contact with nose and mouth droplets from someone with untreated leprosy.

What does brandishing mean?

(Entry 1 of 2) transitive verb. 1 : to shake or wave (something, such as a weapon) menacingly brandished a knife at them. 2 : to exhibit in an ostentatious or aggressive manner brandishing her intellect.

What Hepatitis is not contagious?

Some infectious parasites (such as Plasmodium spp, Schistosoma spp) cause hepatitis in individuals, but are not contagious person to person. Most noninfectious causes of hepatitis are not contagious. Hepatitis caused by alcohol poisoning, medications, or toxins or poisons are not transmitted from person to person.

Why are smiles contagious?

Growing evidence shows that facial mimicry is a natural human instinct that allows us to empathize with the feelings of others. If you're talking with a friend that looks sad, you may mirror that facial expression subconsciously in order to better recognize or understand that feeling. A smile can have the same effect.

Why is laughter contagious?

There's also a physiological reason why laughter is contagious. The sound of a chuckle triggers regions in the premotor cortical region of your brain — or what I like to call the front — which is involved with moving facial muscles to correspond with sound.

What is infectious disease?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.

How do you understand this statement love is contagious?

Love is the one feeling and emotion that is contagious. When you love others well, really well without judgement or expectation of something in return, they will then receive that love openly and in most instances pass that same type of love on.

What is the verb for contagious?

contact. (transitive) To touch; to come into physical contact with.

What is the sentence of ticklish?

Ticklish sentence examples. Elmo is still ticklish, but he now does much more than just wiggle and giggle.

How do you use the word fatal in a sentence?

Fatal sentence examples
  1. The council had also a fatal defect in its constitution.
  2. This step was fatal to Pippin's designs.
  3. Hubris was a fatal flaw of many ancient heroes.

How do you use the word mingle in a sentence?

He lived a very retired life, and saw little or nothing of society; when he did mingle in it, his dogmatism and pugnacity caused him to be generally shunned.

How do you use culminate in a sentence?

Culminate sentence examples
  1. The day will culminate with a presentation to members of Parliament.
  2. The series of topics will culminate in an exhibition later in the year.
  3. end of the park are the Red Mountains, which culminate in Mt.

What is a antonym for contagious?

contagious. Antonyms: sporadic, endemic, preventive, antipathetic. Synonyms: catching, epidemic, infectious, pestilential, communicated, transferred, transmitted, infections.

How do you use the word epidemic?

Epidemic sentence examples
  1. In 1888 there was an epidemic of yellow fever.
  2. In 1903 the city was devastated by an epidemic of plague.
  3. "Poor Rev.
  4. An epidemic of a fatal character had ruined the French silk producers.
  5. The country is naturally very healthful, as evidence of which may be mentioned that no great epidemic has ever visited the state.

How do you use clever in a sentence?

Clever sentence examples
  1. As a child he was clever and delicate.
  2. He was a clever writer and historian.
  3. The clever cost savings idea of sleeping in the car didn't sound so safe right now.
  4. You're a clever girl and you'll know how to manage.
  5. Dean then told Fred of Lydia Larkin's clever set up of Fitzgerald.

What is a sentence for Gaunt?

Gaunt sentence examples. He walked with a slight limp and his gaunt frame was gangly. Her words died on her lips as she took in the deep worry lines and gaunt features of the man before her.

What are the most common contagious diseases?

Common Infectious Diseases
  • Chickenpox.
  • Common cold.
  • Diphtheria.
  • E. coli.
  • Giardiasis.
  • HIV/AIDS.
  • Infectious mononucleosis.
  • Influenza (flu)

What are 3 ways in which diseases can be transmitted?

Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.

How contagious is a bacterial infection?

Not all bacterial conditions are contagious. This means that they aren't spread from person to person but are instead acquired in other ways. Some bacterial infections that are acquired from animals aren't contagious. These infections are often spread through the bite of an infected animal.

How long do viral infections last?

A viral infection usually lasts only a week or two. But when you're feeling rotten, this can seem like a long time! Here are some tips to help ease symptoms and get better faster: Rest.

What's the difference between bacterial and viral?

As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.

How long is a virus contagious for?

Most people will be infectious for around 2 weeks. Symptoms are usually worse during the first 2 to 3 days, and this is when you're most likely to spread the virus.

What illnesses are not contagious?

Other examples of non-contagious illnesses include eczema and ear infections. Likewise, many diseases that have genetic origins are also not contagious, including diabetes, heart disease, epilepsy, high blood pressure, asthma, and cancer.

Which disease is caused by Viroids?

The only human disease known to be caused by a viroid is hepatitis D. This disease was previously ascribed to a defective virus called the delta agent. However, it now is known that the delta agent is a viroid enclosed in a hepatitis B virus capsid.

How do viruses cause disease?

Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick. Different viruses attack certain cells in your body such as your liver, respiratory system, or blood.

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