What is another word for ill?

Common synonyms for ill include well, sick, badly, ailment, inauspicious.

What is the opposite of ill?

Antonyms of ill include well, healthy, fit, sound, vigorous.

Synonyms for

Ill

Verb / ɪl / Another word for ill — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

not feeling well or in good health

Synonyms & similar words

well sick badly ailment inauspicious poorly ominous complaint sick unwell ailing poorly bad sore weak nauseated queasy indisposed infected injured hurt distressed unhealthy off run-down diseased

Synonyms by register

Formal

unwell sick ailing indisposed

Informal

under the weather off not feeling great laid up

Literary

afflicted pained feeble

Antonyms

well healthy fit sound vigorous robust

Common collocations

feeling ill
ill health
ill at ease
ill effects
ill tempered
ill advised
ill fortune
ill luck

Word family

noun illness

adjective ill

adverb ill

Usage note

While 'ill' can be used for both physical and mental states, 'sick' is more commonly used in American English for physical ailments. 'Ill' often carries a more serious or prolonged connotation.