scary; frightening; eerie; dreadful
fearfully; timidly; cautiously; nervously
curiosity of fear; urge to look at something frightening; wanting to take a peek at something unpleasant
fierce look; frightening look; tough look; aggressive attitude; coercive attitude; taking a hard line
to be afraid (of); to fear; to be frightened (of); to be scared (of); to worry (about)
deferential treatment (out of fear)