(music) The major key with A as its tonic, with the notes A, B, C♯, D, E, F♯, and G♯, the key signature of which has three sharps. / (music) The major chord with a root of A.

(idiomatic, transitive) To spend more time and energy on some task than it warrants; to make something overly complicated; to make a big thing out of. / To eat something as a meal.

(idiomatic, dated) Used in place of a real explanation when excusing oneself for a short period of time, particularly (euphemistic) to use the toilet or (historical) drink alcohol.

A person who goes to bed early and wakes up early will lead a more successful life.

(simile, colloquial) Crazy, demented.

(idiomatic, euphemistic) Used in place of a real explanation when excusing oneself for a short period of time, particularly to use a toilet.

(intransitive, idiomatic) To gain an advantage unobserved. / (intransitive, idiomatic) To start early.

(idiomatic, dated) Used in place of a real explanation when excusing oneself for a short period of time, particularly (euphemistic) to use the toilet or (historical) drink alcohol.

(law) Legally; according to the law.

Unanimously; without exception.