Here's what rhymes with sinistrous.
Words that almost rhyme with sinistrous
synthesis innocence chivalrous minuteness tinnitus ministrants impetus infamous sinfulness syllabus vividness fearlessness innocents minimised villainous fickleness incidence vigilance wickedness frivolous impotence indolence insolence virulence intimates silicates solicitous felicitous irritants littleness singleness symbolise fearfulness insulates victimised visitants bigamous irrigates shiftlessness stigmatise winsomeness cheerlessness fitfulness assiduousness witlessness immigrants incidents stimulus diligence filaments antithesis cheerfulness dissonance limitless mischievous synchronous militants immanence imminence brittleness listlessness religiousness sycophants wilfulness epitomised nimbleness vertiginous willfulness epitomise ambitiousness litigiousness skillfulness indigenous ligaments omnipotence asynchronous dissidents umbilicus gingivitis polygamous legitimised wistfulness infelicitous blissfulness nutritiousness surreptitiousness cymbalists instruments implements ridiculous ambivalence equivalence magnificence increments meticulous stimulants peristalsis legitimates precipitants equivocates repetitiousness expeditiousness timpanists equivalents articulates religionists geosynchronous gesticulates individuates participants unambiguous abolitionists particulates traditionalists coreligionists imprisonments predicaments exhibitionists grandiloquence coalitionists conjunctivitis prohibitionists nonequivalents nonparticipants