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Definition of long:

  1. A long sound, syllable, or vowel.
  2. A note formerly used in music, one half the length of a large, twice that of a breve.
  3. At a point of duration far distant, either prior or posterior; as, not long before; not long after; long before the foundation of Rome; long after the Conquest.
  4. By means of; by the fault of; because of.
  5. Drawn out in a line, or in the direction of length; protracted; extended; as, a long line; - opposed to short, and distinguished from broad or wide.
  6. Drawn out or extended in time; continued through a considerable tine, or to a great length; as, a long series of events; a long debate; a long drama; a long history; a long book.
  7. Extended to any specified measure; of a specified length; as, a span long; a yard long; a mile long, that is, extended to the measure of a mile, etc.
  8. Far- reaching; extensive.
  9. Having a supply of stocks or goods; prepared for, or depending for a profit upon, advance in prices; as, long of cotton. Hence, the phrases: to be, or go, long of the market, to be on the long side of the market, to hold products or securities for a rise in price, esp. when bought on a margin.
  10. Occurring or coming after an extended interval; distant in time; far away.
  11. Prolonged, or relatively more prolonged, in utterance; - said of vowels and syllables. See Short, a., 13, and Guide to Pronunciation, 22, 30.
  12. Slow in passing; causing weariness by length or duration; lingering; as, long hours of watching.
  13. The longest dimension; the greatest extent; - in the phrase, the long and the short of it, that is, the sum and substance of it.
  14. Through an extent of time, more or less; - only in question; as, how long will you be gone?
  15. Through the whole extent or duration.
  16. To a great extent in time; during a long time.
  17. To belong; - used with to, unto, or for.
  18. To feel a strong or morbid desire or craving; to wish for something with eagerness; - followed by an infinitive, or by after or for.


daylong, prolonged, long-range, long-wooled, eagle-eyed, spread, hourlong, dilatory, durable, stressed, bimestrial, coherent, recollective, blue moon, sustained, dour, yen, lengthened, sesquipedal, long-acting, immediately, longest, boundless, sesquipedalian, elongate, gangling, meandering, remote, ache, considerable, tall, longsighted, long-handled, deep, dogged, overlong, immense, lanky, yearlong, pertinacious, shortly, stringy, lifelong, dull, longer, coarse, longish, languish, lengthy, massive, ample, lank, long-lived, unyielding, perennial, brief, stretch, long-winded, short, pine, polysyllabic, longstanding, endless, profuse, spacious, capacious, long-wool, persistent, in length, hard, overnight, vast, farseeing, rich, unending, enormous, foresighted, dragging, extendable, towering, long-distance, interminable, extended, faraway, womb-to-tomb, nightlong, eternity, prospective, presbyopic, year, lofty, unsound, far-reaching, excite, long-lasting, commodious, colossal, long-dated, long-snouted, keen-sighted, delayed, lingering, long-drawn-out, yearn, forever and ever, long-term, lasting, semipermanent, farsighted, grand, gigantic, far-off, forever and a day, distant, long-staple, foresightful, small, extendible, rangy, drawn-out, monthlong, soon, tardy, oblong, long-life, month of Sundays, running, longitudinal, weeklong, agelong, retentive, far, hour after hour, hanker, provident, prospicient, eternal, age, abundant, day after day, huge, protracted, limitless, plentiful, time, eon, enlarged, elongated, tenacious.

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