noun
disappointed feeling; distress
Synonyms: agitation, alarm, anxiety, apprehension, blue funk, blues, bummer, chagrin, cold feet, consternation, discouragement, disheartenment, disillusionment, downer, dread, dumps, fear, fright, funk, hassle, horror, letdown, panic, terror, the blahs, trepidation, upset
Antonyms: assurance, confidence, encouragement, happiness
verb
disappoint, fill with consternation
Synonyms: abash, affright, agitate, alarm, appall, bewilder, bother, chill, confound, daunt, discomfit, discompose, disconcert, discourage, dishearten, disillusion, dispirit, disquiet, distress, disturb, dumbfound, embarrass, faze, flummox, fluster, foul up, frighten, get to, horrify, louse up, mess up, muck up, mystify, nonplus, paralyze, perplex, put off, puzzle, rattle, scare, screw up, shake, snafu, take aback, terrify, terrorize, throw, throw into a tizzy, unhinge, unnerve, upset
Antonyms: assure, encourage, make happy