thought out loud (adjective) extemporaneous/extemporary: unrehearsed, improvised
Sinonime: ad hoc, ad lib, at first glance,
automatic, by ear,
casual,
expedient, extempore,
free,
immediate,
impromptu, improv, improvisatory, improviso,
informal, jamming, made-up, makeshift, off the cuff, off the top of head, offhand, on impulse, on-the-spot,
snap,
spontaneous, spur-of-the-moment, taking for ride, thought out loud, tossed off, tossed out,
unplanned, unpremeditated, unprepared, unstudied, winging it
Antonime: planned,
prepared,
read, rehearsed,
written