undo

undo

verb

Definition of UNDO

1

to deprive of courage or confidence <the sudden shriek undid the campers>

Synonyms demoralize, emasculate, paralyze, undo, unman, unstring

Related Words debilitate, enervate, enfeeble, neuter, weaken; prostrate, sap, soften, tire, waste; frighten, intimidate, psych (out), scare, terrify, terrorize; daunt, discourage, dishearten, dismay, dispirit; craze, derange, madden, unbalance, unhinge; discompose, disquiet, disturb, faze, perturb, unsettle, upset, weird out

Near Antonyms fortify, strengthen; embolden, encourage, hearten

Antonyms nerve

2

to disengage the knotted parts of <undo a tangled shoelace>

Synonyms unbind, undo, unfasten, unlash

Related Words unbraid, unlace; disentangle, ravel, unravel, unsnarl, untangle, unwind; loose, loosen

Near Antonyms braid, interlace, interweave, lace, wind; entangle, snarl, tangle

Antonyms bind, fasten, knot, lash, tie

3

to trouble the mind of; to make uneasy <the mere mention of the home invasion still had the power to undo her>

Synonyms agitate, ail, alarm (also alarum), bother, concern, derail, discomfort, discompose, dismay, disquiet, distemper, distract, distress, exercise, flurry, frazzle, freak (out), fuss, hagride, perturb, undo, unhinge, unsettle, upset, weird out, worry

Related Words aggravate, anger, annoy, bug, chafe, chivy (or chivvy), exasperate, fret, gall, get, grate, harass, harry, irk, irritate, nettle, peeve, pester, pique, put off, put out, rile, vex; bedevil, haunt, plague; abash, confound, confuse, discomfit, disconcert, discountenance, embarrass, faze, fluster, jar, mortify, nonplus, rattle, shake up; daunt, demoralize, discourage, dishearten, dispirit, unnerve

Near Antonyms allay, alleviate, assuage; appease, conciliate, mollify, pacify, placate, propitiate

Antonyms calm, compose, quiet, settle, soothe, tranquilize (also tranquillize)