Dictionary.com
Thesaurus.com
Synonyms

curve ball

British  

noun

  1. baseball a ball pitched in a curving path so as to make it more difficult to hit

  2. informal something deceptive

    his wholesome image was a curve ball thrown to deceive the public

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The couple have documented the "mammoth renovation" project on their Channel 4 show and said the "biggest curve ball" they encountered so far was dealing with bird poo and dry rot.

From BBC • Apr. 17, 2026

However, Belmont threw a Ye-style curve ball of his own earlier this year, when he opted to list the partially-completed home for $39 million, eventually reducing that price to $34.9 million.

From MarketWatch • Dec. 11, 2025

Connecting on a hanging curve ball, he sent his homer over the wall in left field to set off a wild celebration on the field and in the stands of Classic Park.

From Seattle Times • Jun. 1, 2024

No doubt, the renewed selloff throws a curve ball at bond investors, who have been disappointed so far after last year's record 13% losses.

From Reuters • Jul. 7, 2023

He decided to use a high curve ball over the plate and let Prince hit, trusting to luck and the players behind him.

From The Young Pitcher by Grey, Zane