(of e.g. volcanos) permanently inactive; "an extinct volcano"
being out or having grown cold; "threw his extinct cigarette into the stream"; "the fire is out"
no longer in existence; lost or especially having died out leaving no living representatives; "an extinct species of fish"; "an extinct royal family"; "extinct laws and customs"
using (or as if using) mechanisms or tools or devices; "a mechanical process"; "his smile was very mechanical"; "a mechanical toy"
relating to or governed by or in accordance with mechanics; "a belief that the universe is a mechanical contrivance"; "the mechanical pressure of a strong wind"
relating to or concerned with machinery or tools; "mechanical arts"; "mechanical design"; "mechanical skills"
lacking vitality or spirit; lifeless; "a technically perfect but arid performance of the sonata"; "a desiccate romance"; "a prissy and emotionless creature...settles into a mold of desiccated snobbery"-C.J.Rolo
lacking sufficient water or rainfall; "an arid climate"; "a waterless well"; "miles of waterless country to cross"