An adjective, but sometimes best rendered by ‘thrice’ (cf. Old Norse þrennar tylptir ‘triple twelves’, i.e. ‘thrice twelve’). Obsolete.

Three times as great or numerous.

made treble, threefold.

Multiplied by three; triplicated, triple.

Threefold, triple; forming three exactly corresponding copies; consisting of or related to three corresponding parts.

triple, threefold.

Three times as much or many; of three times the measure or amount; multiplied by three.

Made triple or threefold; multiplied by three.

As quasi-adj. Thrice performed; threefold, triple (rare); in first quot. vaguely: Very great.

Made threefold; triple. triplicated proportion, triplicate proportion.