psych out
• intimidate an opponent or rival by appearing very confident or aggressive.
• "he works hard to psych out the competition"
Similar:
unsettle,
upset,
agitate,
disturb,
make nervous,
put off,
put off balance,
put someone off their stroke,
intimidate,
outstare,
stare down,
outface,
stand up to,
daunt,
cow,
deter,
awe,
disconcert,
unnerve,
discourage,
subdue,
abash,
dismay,
frighten,
alarm,
scare,
terrify,
terrorize,
browbeat,
pressure,
pressurize,
buffalo,