adverb
-
with certainty; without doubt
he certainly rides very well
-
by all means; definitely: used in answer to questions
Etymology
Origin of certainly
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.
It certainly made a huge impact at Suzuka.
From BBC • Apr. 7, 2026
Unfortunately for car buyers, a domestically produced Geely SUV would almost certainly no longer cost $25,000.
From MarketWatch • Apr. 7, 2026
“And high asset prices, which certainly feel good in the short run, create additional risk if anything goes wrong,” Dimon says.
From The Wall Street Journal • Apr. 6, 2026
Instead, Clement almost certainly meant former New York City mayor Rudy Giuliani, who was considered the frontrunner for the 2008 Republican presidential nomination at the time.
From Salon • Apr. 4, 2026
“Would you be willing to take a Jewish mother and her baby into your home? They will almost certainly be arrested otherwise.”
From "The Hiding Place" by Corrie ten Boom
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.