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Definitions

add

[ad] / æd /
VERB
simple arithmetical process of increase; accumulation
Synonyms
STRONG
calculate cast compute count enumerate figure reckon sum summate tally tot total tote
WEAK
count up do addition reckon up tot up
Antonyms
STRONG
estimate guess subtract
WEAK
decrease deduct diminish lessen reduce remove withdraw
VERB
adjoin, increase; make further comment
Synonyms
STRONGEST
boost continue include reply
STRONG
affix annex ante append augment hike pad parlay piggyback snowball spike supplement sweeten tag
WEAK
beef up build up charge up cue in figure in flesh out heat up hike up hitch on hook on hook up with jack up jazz up join together plug into pour it on run up say further slap on soup up speed up step up tack on
Antonyms
STRONGEST
halt
STRONG
decrease detach subtract
WEAK
deduct diminish lessen reduce remove withdraw

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.

Already, the costs are starting to add up.

From The Wall Street Journal • Apr. 4, 2026

The war in Iran could add to that dynamic, though it remains too soon to fully gauge its impact.

From BBC • Apr. 3, 2026

At the very least, the uncertainty will add to the volatility of the incoming labor data.

From Barron's • Apr. 3, 2026

This bundle of fees includes mortgage-application charges, title insurance and legal fees that typically add up to 2% to 5% of the home’s purchase price.

From MarketWatch • Apr. 3, 2026

“And then, to add having to pick up your child at the police station, to see the news and know that they’re talking about your kid. It was a lot. It’s added a lot.”

From "Wayward Creatures" by Dayna Lorentz

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.