Synonyms of groundless in English:

groundless


See definition of groundless

adjective

1‘she dismissed their fears as groundless’

SYNONYMS

baseless, without basis, without foundation, foundationless, ill-founded, unfounded, unsupported, uncorroborated, unproven, not backed up, empty, idle, vain, chimerical, imaginary, illusory, false, unsubstantiated, unwarranted, unjustified, unjustifiable, uncalled for, unprovoked, without cause, without reason, without justification, unreasonable, irrational, illogical, unsound, unreliable, questionable, misguided, spurious, specious, fallacious, erroneous