Japanese to English Dictionary (和英辞典 / Waei Jiten)

undercurrent

A underlying feeling or influence, especially one that is contrary to the prevailing atmosphere or general tendency.

undertaking

A task, project, or enterprise, especially one that is large or difficult.

unending

Having no end or apparent end; continuous or interminable.

unfeasibility

The state or quality of being impractical or incapable of being successfully carried out.

unfinished

Not brought to an end; incomplete.

unhinged

Mentally deranged, unstable, or extremely emotionally upset.

unhurried

Not rushing or being rushed; moving, operating, or done in a leisurely and relaxed manner.

unscrupulous

Having or showing no moral principles; not honest or fair.

unsettled

Not resolved or decided; open to question.

usability

The degree to which something is easy to use and compatible with the user's needs.

vacillation

The act of wavering between different opinions or actions; indecision.

validated

Checked, proven, or certified as being valid, accurate, or legally acceptable.