unreasoned

Definitions

Not based on or guided by good sense or logical reasoning.

Done or expressed without sufficient thought or justification.

Examples

His unreasoned fear of the dark prevented him from camping outdoors.

The committee rejected the proposal as an unreasoned reaction to a minor market fluctuation.

Synonyms

illogical irrational baseless groundless unfounded arbitrary thoughtless

Antonyms

logical rational reasoned well-founded justified sensible thought-out