senseless vs soft-witted

senseless and soft-witted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
senseless	No	Yes	No	No
soft-witted	No	Yes	No	No

As adjectives, senseless and soft-witted are synonyms defined as:

senseless and soft-witted: (of especially persons) lacking sense or understanding or judgment

Other synonyms of senseless include nitwitted, witless.

senseless (adjective)	soft-witted (adjective)
(of especially persons) lacking sense or understanding or judgment	(of especially persons) lacking sense or understanding or judgment
unresponsive to stimulation
not marked by the use of reason
serving no useful purpose; having no excuse for being