Mawson, C.O.S., ed. (18701938). Rogets International Thesaurus. 1922.
Class I. Words Expressing Abstract Relations
Section VI. Time
1. Absolute Time
110. [Long Duration.] Diuturnity.
DIUTURNITY [rare]; a long time, length of time; an age, æon or eon, a century, an eternity; slowness [See Slowness]; coeternity, sempiternity, perpetuity [See Perpetuity]; blue moon [colloq.], coons age [U. S.], dogs age [colloq.].
DURABLENESS, durability; persistence, eternalness, lastingness &c. adj.; continuance, standing; permanence (stability) [See Stability]; survival, survivance; longevity (age) [See Age]; distance of time.
PROTRACTION of time, prolongation of time, extension of time; delay (lateness) [See Lateness].
LAST, endure, stand, remain, abide, continue [See Time]; brave a thousand years.
TARRY &c. (be late) [See Lateness]; drag on, drag its slow length along, drag a lengthening chain; protract, prolong; spin out, eke out, draw out, lengthen out; temporize; gain time, make time, talk against time.
OUTLAST, outlive; survive; live to fight again.
LONG; for a long time, for an age, for ages, for ever so long, for many a long day; long ago &c. (in a past time) [See Preterition]; longo intervallo [L.].
all the day long, all the year round; the livelong day, as the day is long, morning, noon and night; hour after hour, day after day &c.; for good, for good and all; permanently &c. adj.; semper eadem (Queen Elizabeths motto) [L.], semper et ubique [L.].