We found 2 dictionaries that define the word of a lifetime:

General (2 matching dictionaries)

1. of a lifetime: Merriam-Webster
2. of a lifetime: Oxford Learner's Dictionaries

Phrases: Adventure of a Lifetime, The $1,000,000 Chance of a Lifetime, Dream of a Lifetime, chance of a lifetime, story of a lifetime, more... ▸ Words similar to of a lifetime ▸ Usage examples for of a lifetime ▸ Idioms related to of a lifetime ▸ Wikipedia articles (New!) ▸ Words that often appear near of a lifetime ▸ Rhymes of of a lifetime ▸ Invented words related to of a lifetime