Of an action, state, condition, process, etc.: that has continued or will continue for a long time; long-lasting, enduring.

In personal or particular reference: having long stood in some relation to one; designating a friend, acquaintance, or enemy of long standing. Cf. ol…

Of long standing; chronic; inveterate.

Continuance for a long time in a settled and recognized position, status, etc.; long continued existence; an instance of this (now rare). Chiefly in o…

that has stood or existed long; long-standing.

Designating something that has existed for a long time; old, much used; of long standing; long-continued, well-established.

That continues, or has continued, for a long period of time; spec. (of a play or other entertainment) having a long continuous sequence of…

That has continued or existed for a long time; having had a specified role or identity for a long time. Originally and frequently attributive.

Capable of continuing in action for a long time without becoming out of breath; (hence) healthy, fit, robust. Also: prolix, tediously lengthy. Cf. l…

That has been such for a long time, long-standing; spec. (of a person) having had a specified role or identity for a long time.