a 'one-way' [=('Brit') 'single'] ticket/fare/trip
a 'one-way' [='one-sided'] conversation
This street is just 'one-way'.
(..) Rendezvous points and radio freqs are indicated and fixed. - AWACS contact on four-hour intervals. - Who's our backup? No such thing. This is a one-way ticket. Once we cross that border, we're on our own. This is getting better by the minute. Billy! Billy! The other day (..)1987 Predator