playground (noun) playground: recreation area
Sinonime: a while back, aforetime,
already, anciently, at one time, away back,
back, back when,
before, before now, before this, down memory lane,
earlier, eons ago, erewhile, erstwhile, heretofore, in former times, in the olden days, in the past, lately, long ago, of old, of yore, olden days,
once, once upon a time, radically, some time ago, time was, used to be, water under the bridge
Antonime: currently,
future,
presently,
subsequently