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adj B2 Upper-Intermediate Common

hilarious

hih-LEH-uh-ree-uhs

Hilarious (adj) means Extremely funny; causing loud laughter. Example: “The comedian's new routine was absolutely hilarious.”

adj
1
Extremely funny; causing loud laughter.
"The comedian's new routine was absolutely hilarious."
"It was hilarious watching him try to parallel park."

How to use hilarious

Learner’s notes

In plain EnglishSo funny it makes you laugh out loud.

Common pairings
absolutely hilarious find something hilarious

Word forms

more hilarious comparative, most hilarious superlative

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Test yourself on “hilarious” A quick quiz — meaning, synonyms & usage

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The comedian's new routine was absolutely _____.

Etymology

A learned borrowing based on Latin hilaris ("cheerful"), which itself comes from the Ancient Greek hilarós, meaning "cheerful" or "merry."

Origin: Ancient Greek

hysterical side-splitting uproarious comical riotous rib-tickling

Related words

Rhymes for hilarious

See all rhymes for hilarious →

Frequently asked questions

What does “hilarious” mean?

The word “hilarious” means extremely funny; causing loud laughter. In plain terms, so funny it makes you laugh out loud.

How do you pronounce “hilarious”?

“Hilarious” is pronounced hih-LEH-uh-ree-uhs (/hɪˈlɛ(ə)ɹ.i.əs/ in IPA).

How do you use “hilarious” in a sentence?

Here is “hilarious” used in a sentence: “The comedian's new routine was absolutely hilarious.”

What part of speech is “hilarious”?

“Hilarious” is an adjective.

Where does the word “hilarious” come from?

The word “hilarious” comes from Ancient Greek. A learned borrowing based on Latin hilaris ("cheerful"), which itself comes from the Ancient Greek hilarós, meaning "cheerful" or "merry.".

Is “hilarious” a common word?

“Hilarious” is a fairly common word in modern English, usually learned at around the B2 level.

What is the difference between "hilarious" and "funny"?

"Funny" describes anything mildly to strongly amusing, while "hilarious" is stronger and means extremely funny, enough to cause loud laughter. Something hilarious sits at the top end of the funny scale.

When should you use "hilarious" instead of "amusing"?

Use "hilarious" for things that make people laugh out loud, and "amusing" for something gently entertaining that raises a smile. "Amusing" is mild, while "hilarious" is emphatic.

Is "hilarious" too informal for formal writing?

"Hilarious" is a fairly informal, emphatic word best suited to conversation, reviews, and casual writing. In formal or academic contexts, milder terms such as "amusing" or "humorous" are usually preferred.

What are common collocations with "hilarious"?

Common phrases include "absolutely hilarious," "utterly hilarious," "hilarious joke," "hilarious story," and "found it hilarious." It is often paired with strong intensifiers because it already conveys a high degree of funniness.

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