Definitions

logic

[loj-ik] / ˈlɒdʒ ɪk /

NOUN

science of reasoning

Synonyms

STRONGEST

philosophy rationale sanity sense

STRONG

argumentation coherence connection deduction dialectic induction inference linkage ratiocination relationship syllogism thesis

WEAK

antithesis and synthesis course of thought good sense sound judgment syllogistics train of thought

Antonyms

WEAK

unreasonableness

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.

Conventional logic would suggest that Iran should avoid actions that could endanger diplomacy.

From BBC • Jun. 8, 2026

Historically, that logic has never remained confined to a single group.

From Slate • Jun. 4, 2026

The scientific community has found this model easier to adopt, since it mirrors classical programming logic and fits a broader range of use cases.

From Barron's • Jun. 1, 2026

I instructed the AI to fix the economic logic, and it rewrote the software.

From The Wall Street Journal • May 31, 2026

He had tapped, at last, into heredity’s inner logic.

From "The Gene" by Siddhartha Mukherjee

Vocabulary lists containing logic

Beam Me Up: Talking About Star Trek

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Think Like Sherlock: It's Elementary

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Writing - Middle School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!