dismay

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

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