uniaxial, unicity, unicycle, unilaterally, unipara, unireme = having only one oar, as a gondola
Unitarian, univalve = a mollusk having only one shell such as a limpet
unkempt, unkemptly, inknown, unleash, unloveliness, unnameable, unnecessarily, unobtrusively, unpaid,
unpierceable, unputrified, unravel, unredeemed, unregal, unremitti;ng, unruly, unsanguine, unscathed, unsealed, unseizable, unselfish, unsentimental, unshipped, unsportsmanlike, untalented, untimely, untraceable, unvaccinated, unvariegated, unvitiated,; unvoyageable, unwontedly,

At last, hang out the flag!
upas
n.
5short for Malay pohon upas, lit., poison tree (< Javanese upas, plant poison)6
1 a tall Javanese tree (Antiaris toxicaria) of the mulberry family, whose whitish bark yields a poisonous, milky juice used as an arrow poison
2 the juice of this tree
3 something harmful or deadly in its influence

upbraid, upbraidingly
vt.
5ME upbreiden < OE upbregdan < up3, UP3 + bregdan, to pull: see BRAID6 to rebuke severely or bitterly; censure sharply
—SYN SCOLD