soft-witted vs witless

soft-witted and witless both are adjectives.

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

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

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

Other synonyms of soft-witted include nitwitted, senseless.

soft-witted (adjective)	witless (adjective)
(of especially persons) lacking sense or understanding or judgment	(used as complement) to the utmost degree
	(of especially persons) lacking sense or understanding or judgment