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Definition of deduce

deduce

/dɪˈduːs/
Adjective:deducible
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Past Simple:deduced
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Past Participle:deduced
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Present Participle:deducing
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deduce Lexical Profile

deduce Game Scores & Validity

• verb

1

To arrive at a fact or a conclusion by reasoning; to draw as a logical conclusion from known premises or evidence.

Example

"From the muddy footprints in the hallway, she was able to deduce that the dog had escaped into the garden."

2

To trace the course or derivation of something from its origin.

Example

"Linguists were able to deduce the modern dialect directly from its medieval ancestral roots."

Synonyms
View all synonyms for deduce
Antonyms
View all antonyms for deduce

Word Nuance & Usage

Do not confuse 'deduce' (to arrive at a logical conclusion by reasoning from known premises) with 'deduct' (to subtract an amount or quantity from a total).

• Rhymes for deduce

• Nearby Words

dedicatedly
dedicatee
dedication
deduce
deducible
deduct
deductible

Word Origin & Etymology

Borrowed in the late 15th century from Latin 'deducere', meaning 'to lead down' or 'to derive', formed from 'de-' (down) and 'ducere' (to lead).

Cite this Entry

Wordmom. (2026). Definition of Deduce. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/deduce
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