unimaginative
[adjective]
Synonyms: unoriginal, banal, derivative, dull, hackneyed, ordinary, pedestrian, predictable, prosaic, uncreative, uninspired

[TahlilGaran] English Synonym Dictionary ▲

un‧i‧ma‧gin‧a‧tive /ˌʌnɪˈmædʒənətɪv◂, ˌʌnɪˈmædʒɪnətɪv◂/ adjective
[Word Family: adjective: imaginable ≠ unimaginable, imaginary, imaginative ≠ unimaginative, unimagined; noun: imagination, imaginings; adverb: unimaginably, imaginatively; verb: imagine]

1. lacking the ability to think of new or unusual ideas

2. ordinary and boring, and not using any new ideas:
unimaginative architecture
unimaginative housing policies

[TahlilGaran] Dictionary of Contemporary English ▲