say it: wawrn
warn is a verb meaning "notify of danger, potential harm, or risk". It carries 4 recorded senses.
advise or counsel in terms of someone's behavior
“I warned him not to go too far”
“I warn you against false assumptions”
“She warned him to be quiet”
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 warn 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.