Meaning of WARN in English

WARN

v. Function: verb

1 to let one know of approaching danger or risk FF1C; police and the weather service join to warn travelers of hazardous road conditions FF1E;

Synonyms: caution, forewarn

Related Words: advise, alert, apprise, inform, notify, tip; counsel, direct, guide

Idioms: address a warning to, give warning, put a flea in one's ear, put one on guard

2

Synonyms: INFORM 2, acquaint, advise, apprise, clue ( or clew), fill in, notify, post, tell, wise (up)

3

Synonyms: COMMAND , bid, charge, direct, enjoin, instruct, order, tell

Merriam Webster. Collegiate thesaurus English dictionary.      Английский энциклопедический толковый словарь тезауруса.