aback

Surprised, thrown backward

Aback means backward or by surprise.

The word survives almost exclusively in the phrase taken aback, meaning startled or disconcerted: I was taken aback by his rudeness.

The expression comes from sailing, where a ship is taken aback when wind suddenly fills its sails from the wrong side, stopping forward motion.

surprise

startled

Abruptly surprised or alarmed

dumbfounded · shocked · stupefied · thunderstruck · gobsmacked · astounded · amazed · blindsided · floored · staggered

recoil

flinch

Involuntary retreat from threat

  • shrinkDecrease in size
  • winceReflexive recoil from distress
  • cringeShrink from discomfort

recoil · withdraw · blench · quail · shy away · hesitate · balk · falter · blanch

nautical

astern

Toward a vessel's rear

headsail · luffing · tacking · jibing · headway · leeway

Opposites
preparedness/expectation

abackprepared

Made ready beforehand

forewarned · ready · unsurprised · anticipating · braced

DIRECTION (nautical/physical)

abackforward

Onward in direction

ahead · onward · alee · before · advancing

Phrases
Family

taken aback

Familiarity
Top 100,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G