1. deficient in originality or creativity; lacking powers of invention (Freq. 1) - a sterile ideology lacking in originality - unimaginative development of a musical theme - uninspired writing • Syn: sterile, uninspired, uninventive • Similar to: uncreative 2. dealing only with concrete facts • Similar to: practical 3. lacking spontaneity or originality or individuality - stereotyped phrases of condolence - even his profanity was unimaginative • Syn: stereotyped, stereotypic, stereotypical • Similar to: conventional • Derivationally related forms: stereotype (for: stereotypical), stereotype (for: stereotypic)