take aback
verb
(tr, adverb)
to astonish or disconcert
Words nearby take aback
Idioms and Phrases with take aback
take aback
Surprise, shock, as in He was taken aback by her caustic remark. This idiom comes from nautical terminology of the mid-1700s, when be taken aback referred to the stalling of a ship caused by a wind shift that made the sails lay back against the masts. Its figurative use was first recorded in 1829.