1. (v. t.) To break up the harmonious progress of; to throw into disorder or confusion; as, the emperor disconcerted the plans of his enemy.

2. (v. t.) To confuse the faculties of; to disturb the composure of; to discompose; to abash.

3. (n.) Want of concert; disagreement.

abash addle addle the wits agitate appall astound baffle balk ball up becloud bedazzle befuddle bewilder blast bother brave bug cast down chagrin challenge checkmate circumvent cloud confound confront confuse contravene counter counteract countermand counterwork cross dash daze dazzle defeat defy destroy discombobulate discomfit discompose discountenance dish dismay disorganize disorient disquiet disrupt disturb electrify elude embarrass entangle faze flummox flurry fluster flutter fog foil frustrate fuddle fuss humiliate jar jolt knock the chocks maze mist mix up moider mortify muddle nonplus perplex perturb pother put out puzzle raise hell rattle rock ruffle ruin sabotage scotch shake shake up shock spike spoil stagger stir stonewall stump take aback throw into confusion thwart trouble unsettle upset