| unabridged(adjective, pure, unadulterated) |
| unalloyed(adjective, absolute, strong-minded, univocal, highhanded) |
| unbarred(out, visible, unburdened, unplugged, clocklike) |
| unblurred |
| unbolted(out, visible, unburdened, unplugged, clocklike) |
| unburdened(out, visible, unplugged, clocklike) |
| uncluttered(adjective, sharp, out, visible, unburdened) |
| unconcealed(out, visible, unburdened) |
| uncovered(out, visible, unburdened, unplugged, clocklike) |
| undeviating(adjective, prearranged, cliquish, unblinking, viscerous) |
| undisguised(adjective, easy, out, visible, unburdened) |
| undistorted(adjective, acceptable, fitting, decided, pertinent) |
| unexaggerated(adjective, out, visible, unburdened, unplugged) |
| unhidden(out, visible, unburdened, unplugged, clocklike) |
| unmixed(adjective, pure, unadulterated) |
| unplugged(out, visible, unburdened, clocklike) |
| unshut(out, visible, unburdened, unplugged, clocklike) |
| unstopped(out, visible, unburdened, unplugged, clocklike) |
| up to snuff(expression, adjective, idiom, acceptable, fitting) |
| uttered(witting, unburdened, voiced, unplugged, sonant) |