Unreasoning

Part of speech: adjective

Definitions

  1. Characterizing a state where decisions are made without logical consideration | Describing actions driven solely by instinct rather than rational thought | Referring to behaviors that lack cognitive reasoning and are driven by feelings or impulses
  2. Describing a condition in which judgments are formed without logical thought | Characterizing actions motivated solely by emotion and instinct | Indicating a manner of thinking that bypasses rational deliberation and reasoned analysis
  3. Referring to a mindset in which decisions occur without logical understanding | Characterizing behaviors that are dictated by instinct rather than analytical reasoning | Describing a state where choices are made impulsively and without careful thought

Etymology: This adjective is formed by combining the negative prefix "un-" with the base word "reasoning," itself derived from the verb "reason." The prefix "un-" has Old English roots, used to indicate negation or absence, setting the stage for a meaning that negates rational thought. The verb "reason" entered English in the late Middle Ages, coming from Old French "raisoner," which in turn stems from Latin "rationari," meaning "to calculate or think." "Reasoning" evolved as the present participle form, referring to the process of thinking logically or making sense of something. Adding "un-" before "reasoning" creates a term that conveys a lack or absence of logical thought, describing actions, decisions, or attitudes that do not follow rational principles. This construction is typical in English, where "un-" attaches to adjectives or participles to form their opposites. The adjective first appeared in English usage around the 16th or 17th century, a period rich in philosophical and scientific exploration when distinguishing reasoned thought from irrationality became increasingly important. It has since been used to characterize behavior or ideas that are not guided by sound judgment or logic.

Synonyms: irrational, illogical, unthinking, senseless, mindless

Antonyms: rational, logical, reasoned, thoughtful