Turnabout used in a sentence, 2 examples

Turnabout in a sentence as a noun

The issue of cities is irrelevant; the concept at discussion is "turnabout is fair play.

You "borrowed" a bunch of stuff in that diagram from Pythagoras and other ancient math folk, so I'd say turnabout is fair play there.

Turnabout definitions

noun

a decision to reverse an earlier decision

See also: reversal flip-flop turnaround

noun

turning in the opposite direction

See also: reversion reverse reversal turnaround