unforgettably

In lasting memory

In a way that cannot be forgotten.

The adverb typically modifies adjectives or whole scenes: unforgettably beautiful, The evening ended unforgettably when the host fell into the pool.

It emphasizes lasting impact—experiences so vivid or significant they imprint permanently on memory.

indelible

permanently

In an unchanging manner

seared · branded · engraved · stamped · fixed · embedded · inscribed · marked · impressed · burned

memorable

remarkably

To an unusual degree

exceptionally · impressively · profoundly · dramatically · spectacularly · intensely · powerfully · distinctively · brilliantly · magnificently

momentous

historically

In past times

significantly · transformatively · decisively · crucially · importantly · meaningfully · seminally · groundbreakingly · influentially · critically

Opposites
memorability/lasting impression

unforgettablyforgettably

In an unmemorable manner

unmemorably · fleetingly · ephemerally · transiently · faintly

significance/impact

unforgettablytrivially

In unimportant manner

insignificantly · unremarkably · ordinarily · mundanely · inconsequentially

Family

unforgettable

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Positive · Everyday, not technical · Rated G