Surprise | Definition of Surprise by Merriam-Webster

Verb. surprise, astonish, and amaze mean to impress forcibly by being unexpected, startling, or unusual. surprise is used when something is unexpected even though it by itself is not startling. A sudden storm surprised the hikers. astonish means to surprise very much with something that is hard or impossible to believe ...

surprise - Dictionary Definition : Vocabulary.com

Surprise can be a verb meaning to astonish or startle someone, a noun for the unexpected thing, or for the feeling produced by that surprise. It comes from the Latin word for "seize," and originally meant an unexpected military attack.

surprise - Wiktionary

From Middle English surprise, borrowed from Middle French surprise (“an overtake”), nominal use of the past participle of Old French sorprendre (“to overtake”), ...