Without any doubt or hesitation at all.

Happening hourly, but at 30 minutes past each hour; ie, 08:30, 09:30 etc. / Happening on the hour and at 30 minutes after the hour. / (soccer) At thirty minutes into a half.

(aviation) The rate at which an aircraft gains altitude. A negative rate of climb implies descent.

(mathematics) Indicating an exponent.

(idiomatic) something which is overabundant at the moment and thus not in demand.

To have sexual intercourse for the first time.

(idiomatic, Australia, Canada, US) given, considering

A dreary bog or marsh. / (figuratively) A state of disheartening hopelessness.

Any religious order whose members depend on begging or charity.

(idiomatic) An unfortunate, often ironic turn of events.