9-Letter Words Starting: OS

• expel from a community or group

• avoid speaking to or dealing with

• drowsiness and dullness manifested by yawning

• an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

• become bony

• make rigid and set into a conventional pattern

• cause to become hard and bony

• a therapist who manipulates the skeleton and muscles

• mature bone cell

• surgical sectioning of bone

• a person who refuses to face reality or recognize the truth (a reference to the popular notion that the ostrich hides from danger by burying its head in the sand)

• fast-running African flightless bird with two-toed feet; largest living bird

• the branch of anatomy that studies the bones of the vertebrate skeleton