adjective
1.
Synonyms: dead 1, asleep, cold, deceased, defunct, departed, exanimate, extinct, inanimate, late
Antonyms: living
2.
Synonyms: colorless 2, drab, dull, flat, lackluster, lusterless, prosaic, prosy
Antonyms: lifeful
LIFELESS
Meaning of LIFELESS in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003