The definition of gratuitous is something that is given for free, unnecessary or not called for.
Having no ground or foundation; unsubstantiated:
Having no value, use, or significance; worthless; useless
Not reasonable; illogical or senseless
Nude, especially unclothed below the waist:
Exposed to the wind and sea; unsheltered.
Find another word for baseless. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for baseless, like: unfounded, false, gratuitous, groundless, idle, pointless, reasonless, untenable, unwarranted, based and bottomless.