(idiomatic, chiefly imperative) To be kind or sympathetic; to treat others kindly.

To remain vigilant for someone or something. / To remain vigilant for a possibly dangerous situation.

(of the giving of information) remaining secret or hidden until it is needed to be known (by a particular party).

Alternative form of a.m.

(idiomatic) To show annoyance, or to complain loudly about something, often when it is of little importance in reality.

(simile, Britain) Extremely good.

(simile, vulgar) Extremely tight; mean; excessively thrifty.

(simile) Extremely stable physically. / (simile) Extremely reliable.

(idiomatic, simile) Extremely proud.

(simile) Extremely easy