logical
Americanadjective
-
according to or agreeing with the principles of logic.
a logical inference.
- Synonyms:
- valid
- Antonyms:
- unreasonable
-
reasoning in accordance with the principles of logic, as a person or the mind.
logical thinking.
- Antonyms:
- unreasonable
-
reasonable; to be expected.
War was the logical consequence of such threats.
- Synonyms:
- valid
- Antonyms:
- unreasonable
-
of or relating to logic.
adjective
-
relating to, used in, or characteristic of logic
-
using, according to, or deduced from the principles of logic
a logical conclusion
-
capable of or characterized by clear or valid reasoning
-
reasonable or necessary because of facts, events, etc
the logical candidate
-
computing of, performed by, used in, or relating to the logic circuits in a computer
Other Word Forms
- hyperlogical adjective
- hyperlogicality noun
- hyperlogicalness noun
- logicality noun
- logically adverb
- logicalness noun
- nonlogical adjective
- nonlogicality noun
- nonlogicalness noun
- overlogical adjective
- overlogicality noun
- overlogicalness noun
- prelogical adjective
- quasi-logical adjective
- superlogical adjective
- superlogicality noun
- unlogical adjective
Etymology
Origin of logical
From the Medieval Latin word logicālis, dating back to 1490–1500; logic, -al 1
Explanation
Logical describes something that comes from clear reasoning. Using a fire extinguisher to put it out a fire is a logical step. Trying to put it out with gasoline is not. The adjective logical is rooted in the Greek word logos, which means "reason, idea, or word." So calling something logical means it's based on reason and sound ideas — in other words, thought out with mathematical precision and removed from emotion. Sounds strict and boring, but it's the orderliness and consistency of logic that helps you write a great argument or figure out how to solve a problem.
Vocabulary lists containing logical
Jim Burke's Academic Vocabulary List
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TEKS ELAR Academic Vocabulary List (5th-7th grades)
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Twelve Angry Men
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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.
It all sounds very thought-out, logical and empathetic, down to the meticulous way you break down your choices.
From MarketWatch • Apr. 10, 2026
"The logical next step in this evolution is AI-generation of synthetic 3D images, such as CT and MRI. Establishing educational datasets and detection tools now is critical."
From Science Daily • Mar. 26, 2026
All the changes he has made have seemed logical on one level or another.
From BBC • Mar. 24, 2026
The Quantinuum team had a major breakthrough this month, solving quantum computations using 94 error-protected logical qubits.
From The Wall Street Journal • Mar. 23, 2026
Euwe, a doctor of philosophy in mathematics who had taught at the Amsterdam Lyceum, was a former World Champion, having defeated his predecessor in 1935 with a studied and logical approach to the game.
From "Endgame" by Frank Brady
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
