HackerVoca

unsteady : unsettled, changeable, unstable
untie : unfasten, loose, unknot
unyielding : inflexible, firm, stanch, steadfast, adamant /adjective formal
determined not to change your opinion, decision, etc: We tried to negotiate, but they were adamant. | adamant that: Melinda was adamant that she would not travel with us.
adamantly adverb resolute, determined
upright : erect, vertical, perpendicular, conscientious,
righteous, honest, virtuous
uproar : disturbance, tumult, turbulence, commotion, clamor
upset : 1. overturn, capsize, overthrow
2. defeat, subdue, overwhelm, embarrass / / verb [transitive]

1 to make someone feel anxious, ashamed, or uncomfortable, especially in a social situation: The old woman's blunt questions embarrassed her, making her momentarily tongue-tied.

2 to do something that causes problems for a government, political organization, or politician: a series of revelations that has embarrassed the government