cycle

1 a series of events or actions that repeat themselves regularly and in the same order the cycle of birth, growth, decline, and death that is experienced by all life forms Synonyms circle, merry-go-round, round, wheel, zodiac Related Words pattern, syndrome; course, development, progression, run; beat, circuit, loop, ring; rotation, revolution, turn, turnover; chain, sequence, series, string, succession, train

2 a long or seemingly long period of time years, centuries, and cycles will pass before I budge on that issue Synonyms aeon (or eon), blue moon, coon's age, age, donkey's years [chiefly British], eternity, forever, long, months, moonRelated Words infinity; lifetimeNear Antonyms flash, instant, jiffy, minute, moment, second, shake, split second, trice, twinkle, twinkling, wink; microsecond, nanosecond

3 a two-wheeled vehicle that is propelled by the use of pedals and steered through the use of handlebars a top-of-the-line cycle incorporating the latest technology Synonyms bike, bicycle, push-bike (also push bicycle) [British], two-wheeler, velocipede [archaic]Related Words mountain bike, tandem bicycle, ten-speed