Standard Lemma guide

reasonless

adj · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Lacking reason or purpose.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective satellite

Meaning 2

having no justifying cause or reason

Definition source: Princeton WordNet 3.0

Examples

  • a senseless, causeless murder
  • a causeless war that never had an aim
  • an apparently arbitrary and reasonless change

Meaning relationships

Synonyms: causeless

Antonyms: none provided

3

adjective satellite

Meaning 3

not endowed with the capacity to reason

Definition source: Princeton WordNet 3.0

Examples

  • a reasonless brute

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

not marked by the use of reason

Definition source: Princeton WordNet 3.0

Examples

  • mindless violence
  • reasonless hostility
  • a senseless act

Meaning relationships

Synonyms: mindless, senseless

Antonyms: none provided

History

Etymology

From Middle English resonles, equivalent to reason + -less. Piecewise doublet of ratioless and rationless.

Across languages

Translations

4 source translations are retained for this English entry.

  • Polish: bezprzyczynowy — Translations
  • Spanish: sin razón — Translations
  • Turkish: sebepsiz — Translations
  • Turkish: nedensiz — Translations