discomfit (v.)

• abash
• addle
• annoy
• appall
• astound
• baffle
• balk
• becloud
• bedazzle
• befuddle
• bewilder
• blast
• bother
• brave
• bug
• chagrin
• challenge
• check
• checkmate
• circumvent
• cloud
• confound
• confront
• confuse
• contravene
• counter
• counteract
• countermand
• cross
• dash
• daze
• dazzle
• defeat
• defy
• destroy
• discombobulate
• discompose
• disconcert
• discountenance
• dish
• dismay
• disorganize
• disorient
• disrupt
• disturb
• elude
• embarrass
• entangle
• faze
• flummox
• flurry
• fluster
• flutter
• fog
• foil
• frustrate
• fuddle
• fuss
• irk
• maze
• mist
• mortify
• muddle
• nonplus
• outdo
• outwit
• overcome
• panic
• perplex
• perturb
• pother
• rattle
• rout
• ruffle
• ruin
• sabotage
• scatter
• scotch
• spike
• spoil
• stampede
• stonewall
• stump
• thwart
• trump
• unnerve
• unsettle
• upset
• vex
• worry