Italian to English Dictionary (Dizionario Italiano-Inglese)

top dog

The person, group, or organization that is most successful, powerful, or in authority.

undertaking

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

unfeasibility

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

unfinished

Not brought to an end; incomplete.

unforeseen

Not anticipated or predicted.

unsettled

Not resolved or decided; open to question.