one who does not return.

a man who never runs away in the war field.

Viṣṇu.

not happening, available, recurring again.

brave, not running back or away (from a battlefield).

the act of continuing what is being done.

not recurring; not moving in a cyclic manner.

that is not covered; open; unveiled.

not avoided or evaded.

that much big; so great.

not coming back; not returning.

not giving up one's work, business, career etc. (esp. because of advanced age).

something that impedes progress or achievement; an obstacle.

responding to.

reciprocally related.

(two complex numbers) having their real parts equal and their imaginary parts equal but of opposite signs; conjugate.