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Showing results for deduction. Search instead for deductio.
Definitions

deduction

[dih-duhk-shuhn] / dɪˈdʌk ʃən /
NOUN
conclusion, understanding
Synonyms
STRONG
answer assumption cogitation consequence consideration contemplation corollary deliberation derivation finding illation inference judgment meditation musing opinion ratiocination reasoning reflection result rumination speculation thinking thought
WEAK
concluding inferring mulling pondering sequitur
Antonyms
STRONG
cause disdain disregard ignorance neglect reality source truth
WEAK
confusion
NOUN
something subtracted
Synonyms
STRONGEST
abatement allowance credit discount rebate reduction tax write-off write-off
STRONG
abstraction cut decrease decrement depreciation diminution dockage excision removal subtraction withdrawal
Antonyms
STRONGEST
increase
STRONG
development enlargement expansion growth
WEAK
addition rise

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 deduction, set to expire after 2028, has income caps and specific federal requirements for qualifying overtime pay.

From The Wall Street Journal • Apr. 4, 2026

In last year’s tax law, Congress raised the cap for that deduction to $40,000 from $10,000.

From The Wall Street Journal • Mar. 29, 2026

The Sinn Féin economy minister has said all households are in line for a £30 deduction from their electricity bills in July.

From BBC • Mar. 24, 2026

For instance, if you took the standard deduction last year and itemized your deductions this year, the IRS would not look askance.

From MarketWatch • Mar. 23, 2026

Further use of her powers of deduction would have to wait.

From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood

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