Lasting forever; existing or continuing without end; having infinite duration.Continuing indefinitely long; having no determinable or prospective end; enduring beyond calculation.Recurring without final cessation; happening again and again without end; incessant: as, I am tired of these everlasting disputes.2 and Interminable, unceasing, uninterrupted, perennial, imperishable.n. Eternity; eternal duration, past and future.n. A strong woolen cloth, now used especially for the tops of boots. Also called lasting and prunella, and formerly durance (which see).n. A common name for plants whose scarious flowers retain their form, color, and brightness long after being gathered.Very; exceedingly: as, everlasting mean.n. Same as large-flowered everlasting.