senseless vs reasonless

senseless and reasonless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
senseless	No	Yes	No	No
reasonless	No	Yes	No	No

As adjectives, senseless and reasonless are synonyms defined as:

Other synonyms of senseless include mindless.

senseless (adjective)	reasonless (adjective)
(of especially persons) lacking sense or understanding or judgment	not endowed with the capacity to reason
unresponsive to stimulation	having no justifying cause or reason
not marked by the use of reason	not marked by the use of reason
serving no useful purpose; having no excuse for being