a. | 1. | Destitute of reason; |
2. | Void of reason; not warranted or supported by reason; unreasonable. |
Adj. | 1. | reasonless - not marked by the use of reason; "mindless violence"; "reasonless hostility"; "a senseless act" |
2. | reasonless - not endowed with the capacity to reason; "a reasonless brute" | |
3. | reasonless - having no justifying cause or reason; "a senseless, causeless murder"; "a causeless war that never had an aim"; "an apparently arbitrary and reasonless change" Synonyms: causeless |