Answer: UNNERVE

AnswerCrossword Clue
UNNERVEFlabbergast
unnerveto deprive of courage, strength, or determination
unnerveto deprive of courage
UNNERVESet on edge
UNNERVEUpset
UNNERVEFrazzle
UNNERVEFaze
UNNERVEIntimidate
UNNERVEShake up
UNNERVEDemoralize
UNNERVEWeaken
UNNERVEShake
UNNERVEDiscombobulate
UNNERVEFluster.
UNNERVEDeprive of courage.
UNNERVEDiscourage.
UNNERVEDismay
UNNERVEPsych out
UNNERVEDaunt
UNNERVEFrighten
UNNERVEGet to
UNNERVEFluster
UNNERVERattle
UNNERVETake courage from?