20 unforgettable synonyms include memorable, indelible, not/never to be forgotten, fixed in the mind, haunting, catchy, persistent, and distinctive. Unforgettable is an adjective, and its antonyms are forgettable and unexceptional. Here are some additional synonyms for "unforgettable" with example sentences.
20 other ways to say unforgettable.
Her unforgettable smile brightened up the room.
It was an unforgettable moment in our lives.
The trip was exhausting but unforgettable.