betray

1 to be unfaithful or disloyal to childhood friends of movie stars often betray them by telling their secrets to the supermarket tabloids Synonyms backstab, cross, double-cross, sell (out), two-time Related Words give away; inform (on), peach, rat (on), shop [British], snitch (on), split (on) [British], tell (on), turn in Phrases go back on, sell down the river, stab in the back Near Antonyms defend, guard, protect, safeguard, save, shield Antonyms stand by

2 to make known (something abstract) through outward signs his face betrayed his exasperation with his nosy neighbor Synonyms bespeak, show, communicate, declare, demonstrate, display, evince, expose, give away, manifest, revealRelated Words bare, disclose, unbosom, uncloak, uncover; advertise, air, announce, blaze, broadcast, placard, proclaim, publicize, sound, trumpet; projectNear Antonyms belie, misrepresent; distort, falsify, garble, twist; camouflage, disguise; gild, gloss (over), varnish, whitewash; conceal, counterfeit, cover, hide, mask, obscure, occlude, veil

3 to lead away from a usual or proper course by offering some pleasure or advantage she was betrayed by a false show of friendship into covering up the crime Synonyms allure, bait, beguile, lure, decoy, entice, lead on, seduce, solicit, temptRelated Words draw in, inveigle, persuade, rope (in), snow; catch, enmesh (also immesh), ensnare, entrap, mesh, snare, tangle, trap; bewitch, captivate, charm, enchant, fascinate, magnetize, wileNear Antonyms alert, caution, forewarn, ward (off), warn; drive (away or off), repulse, turn away