unforgettable

adjective

un·​for·​get·​ta·​ble ˌən-fər-ˈge-tə-bəl 

: incapable of being forgotten : memorable

an unforgettable experience

unforgettably

ˌən-fər-ˈge-tə-blē 

adverb

Synonyms of unforgettable

• memorable

Examples of unforgettable in a Sentence

an unforgettable evening of dining and dancing

Recent Examples on the Web

The resort itself attracts a similar crowd of New Yorkers and New Englanders looking for a weekend getaway where there’s something for everyone—fantastic food, outdoor activities, and an unforgettable spa. — Condé Nast, Condé Nast Traveler, 8 Aug. 2026

This iconic resort seamlessly blends world-class golf instruction with luxurious amenities for an unforgettable escape. — Larry Olmsted, Forbes.com, 7 Aug. 2026

Designated an All-American Road, the route packs in eight state parks, historic landmarks, beaches, art galleries, and unforgettable overlooks. — Ginger Crichton, Midwest Living, 7 Aug. 2026

Grab your wristband, map out your must-see acts, and get ready for an unforgettable weekend. — James Ward, USA Today, 6 Aug. 2026

Word History

First Known Use

1806, in the meaning defined above

Rhymes for unforgettable

• forgettable
• regrettable
• wettable

Kids Definition

unforgettable

adjective

un·​for·​get·​ta·​ble ˌən-fər-ˈget-ə-bəl 

: not to be forgotten : lasting in memory

unforgettably

-blē 

adverb