logical [loj-i-kuhl] SynonymsWord Origin adjective

  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 relating to logic.

Origin of logical From the Medieval Latin word logicālis, dating back to 1490–1500. See logic, -al1 Related formslog·i·cal·i·ty [loj-i-kal-i-tee] /ˌlɒdʒ ɪˈkæl ɪ ti/, log·i·cal·ness, nounlog·i·cal·ly, adverbhy·per·log·i·cal, adjectivehy·per·log·i·cal·ly, adverbhy·per·log·i·cal·ness, nounhy·per·log·i·cal·i·ty, nounnon·log·i·cal, adjectivenon·log·i·cal·ly, adverbnon·log·i·cal·ness, nounnon·log·i·cal·i·ty, nouno·ver·log·i·cal, adjectiveo·ver·log·i·cal·ly, adverbo·ver·log·i·cal·ness, nouno·ver·log·i·cal·i·ty, nounpre·log·i·cal, adjectivepre·log·i·cal·ly, adverbqua·si-log·i·cal, adjectivequa·si-log·i·cal·ly, adverbsu·per·log·i·cal, adjectivesu·per·log·i·cal·ly, adverbsu·per·log·i·cal·i·ty, nounun·log·i·cal, adjectiveun·log·i·cal·ly, adverbSynonyms for logical 1, 3. valid.Antonyms for logical 1–3. unreasonable. British Dictionary definitions for quasilogical logical adjective

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

Derived Formslogicality or logicalness, nounlogically, adverb Word Origin and History for quasilogical logical adj.

early 15c., “based on reason,” from logic + -al (1). Meaning “pertaining to logic” is c.1500. Attested from 1860 as “following as a reasonable consequence.” Related: Logically.

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