allergic meaning

allergic means 'having a reaction to certain substances'.

allergic :

sensitive, reactive

adjective

▪ She is allergic to peanuts.

▪ She reacts to peanuts.

▪ He gets allergic reactions from dust.

▪ Dust makes him react.

paraphrasing

▪ hypersensitive – very sensitive

▪ intolerant – cannot handle

▪ susceptible – easily affected

▪ sensitive – easily affected

Pronunciation

allergic [əˈlɜːrdʒɪk]

The stress is on 'lerg' and sounds like 'uh-lur-jik'.

Common phrases and grammar about allergic

allergic - Common meaning

adjective
sensitive, reactive

Part of Speech Changes for "allergic"

▪ allergy (noun) – reaction to a substance

▪ allergen (noun) – substance causing a reaction

Common Expressions with "allergic"

▪ allergic reaction – a response to an allergen

▪ allergic to pollen – reacts to pollen

▪ allergic symptoms – signs of an allergy

▪ allergic to cats – reacts to cats

Important examples of allergic in TOEIC

Vocabulary examples from the TOEIC test

In TOEIC vocabulary questions, allergic is often used to describe reactions to food or substances.

▪She is allergic to shellfish.
▪She reacts to shellfish.

Example of a confusing word: adverse (unfavorable)

▪She is adverse to shellfish.
▪She has an unfavorable reaction to shellfish.
"Allergic" is an adjective used to describe a medical condition where the immune system reacts negatively to a specific substance, such as "She is allergic to shellfish." The structure "be allergic to + noun" is grammatically correct. "Adverse," on the other hand, means "unfavorable" or "harmful" and is not used to describe personal medical reactions. Saying "She is adverse to shellfish" is grammatically incorrect and changes the meaning to a general dislike rather than a medical condition. Therefore, "allergic" is the correct choice.

Grammar examples from the TOEIC test

Allergic is used as an adjective and often appears in grammar questions to describe someone's sensitivity.

▪He is allergic to cats.
▪He reacts to cats.

allergic

Idioms and fixed expressions in TOEIC

allergic reaction

'response to an allergen', used in medical or health contexts.

▪She had an allergic reaction to the medicine.
▪She reacted to the medicine.

break out in hives

means 'to develop a rash', often used when describing an allergic reaction.

▪He broke out in hives after eating nuts.
▪He got a rash after eating nuts.

Differences between similar words and allergic

allergic

,

hypersensitive

differences

Allergic is often used for medical reactions, while hypersensitive can refer to both physical and emotional sensitivity.

allergic
▪She is allergic to dust.
▪She reacts to dust.
hypersensitive
▪He is hypersensitive to criticism.
▪He reacts strongly to criticism.
allergic

Words with the same origin as allergic

The origin of allergic

The word 'allergic' comes from the Greek 'allos' meaning 'other' and 'ergon' meaning 'work', referring to a reaction to foreign substances.

Word structure

It has the prefix all (other), root erg (work), and suffix ic (adjective), meaning 'related to other work'.

Words with the same origin

The root of allergic is erg (work). Words with the same root include energy (power), synergy (working together).

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