Synonyms of intimidating

Verb

1. intimidate, frighten, fright, scare, affright

usage: make timid or fearful; "Her boss intimidates her"

2. intimidate, restrain, discourage

usage: to compel or deter by or as if by threats

Adjective

1. daunting, intimidating, discouraging (vs. encouraging)

usage: discouraging through fear