UNIMAGINATIVE

stereotyped, stereotypic, stereotypical, unimaginative

(adjective) lacking spontaneity or originality or individuality; “stereotyped phrases of condolence”; “even his profanity was unimaginative”

sterile, unimaginative, uninspired, uninventive

(adjective) deficient in originality or creativity; lacking powers of invention; “a sterile ideology lacking in originality”; “unimaginative development of a musical theme”; “uninspired writing”

unimaginative

(adjective) dealing only with concrete facts

Source: WordNet® 3.1

Etymology

Adjective

unimaginative (comparative more unimaginative, superlative most unimaginative)

Not imaginative.

Antonym: imaginative

Source: Wiktionary