say it: uhn-WEL
unwell is an adjective meaning "somewhat ill or prone to illness". It carries one recorded sense.
somewhat ill or prone to illness
“my poor ailing grandmother”
“feeling a bit indisposed today”
“you look a little peaked”
“feeling poorly”
“a sickly child”
“is unwell and can't come to work”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for unwell come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.