baseless
- adjective (adj)
Meaning: without substantiation
Synonyms:
bottomless
flimsy
foundationless
gratuitous
groundless
reasonless
unconfirmed
uncorroborated
unfounded
ungrounded
unjustifiable
unjustified
unsubstantiated
unsupported
untenable
unwarranted
Antonyms:
based
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.