groundless
- adjective (adj)
Meaning: without reason, justification
Synonyms:
baseless
bottomless
causeless
chimerical
empty
false
flimsy
foundationless
gratuitous
idle
illogical
illusory
imaginary
unauthorized
uncalled-for
unfounded
unjustified
unprovoked
unsupported
unwarranted
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.