Occurring singly; not one of a pair:
— The azygous muscle of the uvula.

synonym: azygos.

Roget 87: one, sole, single, solitary, unitary; individual, apart, alone; kithless^†.    unaccompanied, unattended; solus [Lat.], single-handed; singular, odd, unique, unrepeated^†, azygous, first and last; isolated etc. (disjoined) 44; insular.    monospermous^†; unific^†, uniflorous^†, unifoliate^†, unigenital^†, uniliteral^†, unijocular^†, unimodal [Math.], unimodular^†.    lone, lonely, lonesome; desolate, dreary.    insecable^†, inseverable^†, indiscerptible^†; compact, indivisible, atomic, irresolvable^†.    ... show more

Roget 222: central, centrical^†; middle etc. 68; azygous, axial, focal, umbilical, concentric; middlemost; rachidian^†; spinal, vertebral.    ... show more