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adjective Uncommon

heinous

HAY-nuhs

Heinous (adjective) means Shockingly evil or wicked, especially describing a crime. Example: “The judge called it one of the most heinous crimes he'd ever seen.”

adjective
1
Shockingly evil or wicked, especially describing a crime.
"The judge called it one of the most heinous crimes he'd ever seen."
"They were charged with a heinous act of violence."

How to use heinous

Learner’s notes

In plain EnglishExtremely wicked or shockingly bad — used almost exclusively for serious crimes and cruelty.

When to use it

A strong, formal word, common in legal and news contexts rather than everyday speech.

Common pairings
heinous crime heinous act

Word forms

more heinous comparative, most heinous superlative

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The judge called it one of the most _____ crimes he'd ever seen.

Etymology

From Old French haïneus, "hateful," itself from haïr, "to hate" — tracing back to a Frankish word for hatred.

Origin: Old French

Antonyms

Related words

Rhymes for heinous

See all rhymes for heinous →

Frequently asked questions

What does “heinous” mean?

The word “heinous” means shockingly evil or wicked, especially describing a crime. In plain terms, extremely wicked or shockingly bad — used almost exclusively for serious crimes and cruelty.

How do you pronounce “heinous”?

“Heinous” is pronounced HAY-nuhs (/ˈheɪnəs/ in IPA).

How do you use “heinous” in a sentence?

Here is “heinous” used in a sentence: “The judge called it one of the most heinous crimes he'd ever seen.”

What is the opposite of “heinous”?

The opposite of “heinous” — its antonyms — is unheinous.

What part of speech is “heinous”?

“Heinous” is an adjective.

Where does the word “heinous” come from?

The word “heinous” comes from Old French. From Old French haïneus, "hateful," itself from haïr, "to hate" — tracing back to a Frankish word for hatred.

Is “heinous” a common word?

“Heinous” is an uncommon word in modern English.

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Definitions: FreeDict original editorial