Definitions

deduce

[dih-doos, -dyoos] / dɪˈdus, -ˈdyus /

VERB

figure out, understand

Synonyms

STRONGEST

deduct glean infer presuppose surmise

STRONG

analyze assume cogitate collect conceive conclude consider deem derive draw fancy figure gather imagine judge make presume ratiocinate reason regard

WEAK

add up be afraid boil down have a hunch make out read into take to mean

Antonyms

STRONG

destroy disbelieve disperse disregard distribute divide ignore leave misunderstand not believe reject scatter

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.

Don’t waste one brain cell trying to deduce the assassin.

From Los Angeles Times • Jun. 5, 2026

The WHO was trying to deduce how hantavirus had appeared on the ship, with the first person who died having developed symptoms on April 6.

From Barron's • May 5, 2026

The detective and his team deduce that the plotters likely include government and industry officials in Canada and the U.S., as well as organized-crime figures and even members of the Quebec police force.

From The Wall Street Journal • Nov. 14, 2025

So what can we deduce from all of this?

From BBC • Oct. 16, 2025

We can deduce many of the answers by examining the well-established sequence in which various crops developed in Southwest Asia’s Fertile Crescent.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Vocabulary lists containing deduce

The Vocabulary.com Top 1000

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Jim Burke's Academic Vocabulary List

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Lead the Way: Duc and Duct

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