lengthy

1 of great extent from end to end <she used a lengthy piece of rope to tie her dog to a tree> Synonyms elongate (or elongated), extended, king-size (or king-sized), longRelated Words extensive, far-reaching, longish, outstretched; oblong, rectangular; big, biggish, considerable, hefty, hulking, jumbo, large, largish, overscale (or overscaled), oversize (or oversized), sizable (or sizeable), substantial, superNear Antonyms abbreviated, abridged, curtailed, diminished, shortened; bitty, diminutive, little, miniature, minute, puny, small, smallish, teeny, tiny, undersized (also undersize), weeAntonyms brief, curt, short, shortish

2 lasting for a considerable time <the store manager gives new associates a lengthy sermon on the evils of shoplifting> Synonyms extended, far, great, long, long-drawn-out (or long-drawn), long-lived, long-termRelated Words aeonian (or aeonic), endless, everlasting, interminable, persistent; longish, overlong, prolonged, protracted; permanent; all-day, all-night; multiday, multiyearNear Antonyms abrupt, sudden; abbreviated, condensed, curtailed, shortened; ephemeral, fleeting, momentary, transient, transitory; impermanent; short-rangeAntonyms brief, little, mini, short, shortish, short-lived, short-term