1. (adj)sterile, unimaginative, uninspired, uninventive deficient in originality or creativity; lacking powers of invention
"a sterile ideology lacking in originality"; "unimaginative development of a musical theme"; "uninspired writing"
2. (adj)unimaginative dealing only with concrete facts
3. (adj)stereotyped, stereotypic, stereotypical, unimaginative lacking spontaneity or originality or individuality
"stereotyped phrases of condolence"; "even his profanity was unimaginative"