adjective
1.
Synonyms: baseless , bottomless, foundationless, gratuitous, groundless, uncalled-for, unfounded, ungrounded
2.
Synonyms: unreasonable 2, unconscionable, undue, unjustifiable, unwarrantable
UNWARRANTED
Meaning of UNWARRANTED in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003