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Definitions

deduct

[dih-duhkt] / dɪˈdʌkt /
VERB
take away or out; reduce
Synonyms
STRONGEST
reduce subtract withdraw write off
STRONG
abstract allow bate diminish discount dock lessen rebate remove take
WEAK
cut back decrease by draw back knock off roll back take from take off
Antonyms
STRONG
add disallow enlarge expand extend hold increase keep lengthen raise refuse reject strengthen

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.

And in New Jersey, you can’t deduct your HSA contribution from your income, among other rules.

From MarketWatch • Mar. 30, 2026

If you place qualifying equipment or assets in service after Jan. 19, 2026, you may deduct the full cost immediately.

From MarketWatch • Mar. 16, 2026

Leicester City have appealed against a decision to deduct them six points for breaching English Football League financial rules.

From BBC • Feb. 19, 2026

You can deduct as much as $10,000 per return of the interest you paid on a loan for a new vehicle bought in 2025 for personal use.

From The Wall Street Journal • Jan. 26, 2026

“I'm going to have to deduct the money for a glass beetle,” the burly redbeard announced as he let himself fall into his vast armchair.

From "The Thief Lord" by Cornelia Funke

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