The chief officer of the executive branch of a government, often presiding over a cabinet; usually called Prime Minister (in a parliamentary system) or President (in a presidential system).

(idiomatic, chiefly in the negative, with can't/cannot) To understand even minimally. / To determine to be good or bad.

(idiomatic) More complex or confusing than one can understand; beyond one’s comprehension. / (idiomatic) More than one can handle; too much (especially in over one's head).

(idiomatic) An advantage consisting in starting a competition or task earlier than might be expected; given (or taken), for example, prior to the beginning of a race.

Tumbling upside down; somersaulting. / At top speed; frantically. / (usually with in love) Hopelessly, madly, to distraction, deeply, utterly.

Hopelessly smitten, madly in love.

The end of a mop, to which the thrums or rags are fastened. / (US) A clamp for holding the thrums or rags of a mop.

A type of fish found in the Mediterranean and along the Atlantic coasts of Europe, Sparus aurata.

(idiomatic) To a considerable degree. / By force; violently.

In the United States, a government-funded preschool program for impoverished children.