caution

Synonyms: attention canniness care circumspection deliberation discreetness discretion fabian policy foresight forethought heed heedfulness providence prudence vigilance watchfulness

Antonyms: heedlessness imprudence indiscretion neglect negligence thoughtlessness

Synonyms: admonition advice bug in one’s ear caveat commonition counsel forewarning hint injunction monition notice omen premonition sign tip tip-off

Synonyms: admonish alert exhort flag forewarn give the high sign give the lowdown on pull one’s coat put one wise tip tip off urge wave a red flag wise one up