Relatively long in duration; tediously protracted:
— Protracted negotiations.

synonyms: drawn-out, extended, lengthy, prolonged.

Roget 110: durable; lasting etc. v.; of long duration, of long-standing; permanent, endless, chronic, long-standing; intransient^†, intransitive; intransmutable^†, persistent; lifelong, livelong; longeval^†, long-lived, macrobiotic, diuturnal^†, evergreen, perennial; sempervirent^†, sempervirid^†; unrelenting, unintermitting^†, unremitting; perpetual etc. 112.    lingering, protracted, prolonged, spun out etc. v.. long-pending, long-winded; slow etc. 275.    ... show more

Roget 573: diffuse, profuse; wordy, verbose, largiloquent^†, copious, exuberant, pleonastic, lengthy; longsome^†, long-winded, longspun^†, long drawn out; spun out, protracted, prolix, prosing, maundering; circumlocutory, periphrastic, ambagious^†, roundabout; digressive; discursive, excursive; loose; rambling episodic; flatulent, frothy.    ... show more