UNIMPORTANT
Meaning of UNIMPORTANT in English
adjective
Synonyms: little 3, casual, inconsiderable, insignificant, light, minor, petty, shoestring, small-beer, trivial
Antonyms: important
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003