scared pants off (verb) scare: frighten someone
Sinonime: affright,
alarm,
awe,
chill,
daunt,
dismay,
freeze, give a fright, give a turn,
intimidate,
panic,
paralyze, petrify, scare silly, scare stiff, scare the pants off, shake up,
shock, spook,
startle, strike terror in, terrify, terrorize
Antonime: calm,
comfort,
reassure,
soothe