Adjectives That Start with OS

Find 77 valid English adjectives starting with OS, including Ostentatious, Ostensible, Osmotic, Osteopathic, Ossified, Oscillatory and Osteoid. Check definitions and usage below, or visit our adjective grammar guide to check adjective order and comparative rules.

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Starts with OSC13 words
oscillatory
oscine
oscillational
osculant
oscillative
oscillographic
osculatory
oscilloscopic
oscitant
oscinine
oscular
oscheal
oscillatoriaceous
Starts with OSI1 words
osiered
Starts with OSM11 words
osmotic
osmoregulatory
osmolar
osmolal
osmic
osmatic
osmometric
osmophobic
osmious
osmous
osmerid
Starts with OSS8 words
ossified
osseous
ossicular
ossific
osseocartilaginous
ossivorous
ossiferous
osseoaponeurotic
Starts with OST24 words
ostentatious
ostensible
osteopathic
osteoid
osteoporotic
osteolytic
osteogenic
osteoclastic
ostensive
osteoarthritic
osteological
ostial
osteoblastic
osteophytic
osteal
osteocytic
osteoplastic
ostrichlike
osteocartilaginous
osteogenetic
osteogenous
osteichthyan
osteomalacic
osteitic

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