unforgettable

• POS: Adjective
• HYPHEN: un=for=get=ta=ble

CIDE DICTIONARY

unforgettable, a. 

 Not forgettable; enduring in memory.  [1913 Webster]
"Pungent and unforgettable truths."  [1913 Webster]

OXFORD DICTIONARY

unforgettable, adj. that cannot be forgotten; memorable, wonderful (an unforgettable experience).

Derivative

unforgettably adv.

THESAURUS

unforgettable

celebrated, conspicuous, distinguished, eminent, esteemed, estimable, exceptional, extraordinary, haunting, indelible, marked, memorable, nagging, noble, notable, noteworthy, obsessive, of mark, outstanding, persistent, prestigious, prominent, rare, recurrent, remarkable, rememberable, reputable, salient, signal, special, striking, telling

ROGET THESAURUS

unforgettable

Importance

N importance, consequence, moment, prominence, consideration, mark, materialness, import, significance, concern, emphasis, interest, greatness, superiority, notability, weight, value, usefulness, gravity, seriousness, solemnity, no joke, no laughing matter, pressure, urgency, stress, matter of life and death, memorabilia, notabilia, great doings, red-letter day, great thing, great point, main chance, the be all and the end all, cardinal point, substance, gist, sum and substance, gravamen, head and front, important part, principal part, prominent part, essential part, half the battle, sine qua non, breath of one's nostrils, cream, salt, core, kernel, heart, nucleus, keynote, keystone, corner stone, trump card, salient points, top sawyer, first fiddle, prima donna, chief, triton among the minnows, 'it', important, of importance, momentous, material, to the point, not to be overlooked, not to be despised, not to be sneezed at, egregious, weighty, of note, notable, prominent, salient, signal, memorable, remarkable, unforgettable, worthy of remark, worthy of notice, never to be forgotten, stirring, eventful, grave, serious, earnest, noble, grand, solemn, impressive, commanding, imposing, urgent, pressing, critical, instant, paramount, essential, vital, all-absorbing, radical, cardinal, chief, main, prime, primary, principal, leading, capital, foremost, overruling, of vital importance in the front rank, first-rate, superior, considerable, marked, rare, significant, telling, trenchant, emphatic, pregnant, tanti, materially, in the main, above all, kat' exochin, par excellence, to crown all, to beat all, expende Hannibalem!.