What is the difference between baseless and gratuitous?

Baseless is a synonym of gratuitous.

is that baseless is of reasoning, that is based on something that is not true while gratuitous is given freely; unearned.

(-)

Of reasoning, that is based on something that is not true.

* unfounded

* baselessly * baselessness

(en adjective)

Given freely; unearned.

Not called for by the circumstances; uncalled-for; without reason, cause, or proof; adopted or asserted without any good ground; unjustified.

gratuitous violence

* unjustified * groundless * baseless * unfounded * unnecessary

* onerous

* gratuitousness * gratuitous praise * gratuitous violence

* superfluous

* *