Synonyms for Slavish (same or very similar meaning)
WordNet sense 1 (not original; not being or productive of something fresh and unusual):
unoriginalWordNet sense 2 (abjectly submissive; characteristic of a slave or servant):
submissive, subservientWordNet sense 3 (submissive or fawning in attitude or behavior):
servileFrom the ODE community, based on WordNetadd/edit