logical

UK: /ˈlɒdʒɪk^əl/ US: /ˈlɑdʒɪkəl/ ,(loj′i kəl)

WordReference Random House Learner's Dictionary of American English © 2025

log•i•cal /ˈlɑdʒɪkəl/   adj. 

1. according to or agreeing with the principles of logic:
   a logical conclusion.
2. reasoning in agreement with the principles of logic:
   a logical thinker.
3. reasonable;
   to be expected:
   The idea sounds logical to me.

log•i•cal•ly, adv. See -log-.

WordReference Random House Unabridged Dictionary of American English © 2025

log•i•cal  (loj′i kəl), adj. 

1. according to or agreeing with the principles of logic:
   a logical inference.
2. reasoning in accordance with the principles of logic, as a person or the mind:
   logical thinking.
3. reasonable; to be expected:
   War was the logical consequence of such threats.
4. of or pertaining to logic.

• Medieval Latin logicālis. See logic, -al¹
• 1490–1500

log•i•cal•i•ty  (loj′i kal′i tē), log′i•cal•ness, n.  log′i•cal•ly, adv. 
Synonyms

• 1, 3. valid.

Antonyms

• 1. –3. unreasonable.

Collins Concise English Dictionary © HarperCollins Publishers::

logical / ˈlɒdʒɪk^əl/ adjective

1. relating to, used in, or characteristic of logic
2. using, according to, or deduced from the principles of logic: a logical conclusion
3. capable of or characterized by clear or valid reasoning
4. reasonable or necessary because of facts, events, etc: the logical candidate
5. of, performed by, used in, or relating to the logic circuits in a computer

ˌlogiˈcality, ˈlogicalness noun

ˈlogically adverb