(colloquial, humorous) Used to indicate an unusual or unexpected situation.

(idiomatic, archaic) drunk.

(informal, with for) Someone particularly enthusiastic about an activity.

While one is doing that; while one is carrying out that action (referring to another action one could accomplish at the same time.)

(idiomatic) Unique, one of a kind.

(idiomatic) Only love, sole sweetheart.

That keeps promises and tells the truth.

plural of one and only

(literally) Being seen or targeted, often through the sights of a weapon. / (figuratively) The target or object of one's efforts or ambitions. / (figuratively) Still achievable.

plural of hole in one