Definition of memorability in US English:

memorability

noun

  • See memorable

    • ‘Well, it's always said that one of the tests of a poet is memorability.’
    • ‘Thinking beyond conventional boundaries and striving for differentiation and memorability is essential to the effectiveness of our design.’
    • ‘However, differences in recall could be due to variations in the memorability of the associations to neutral and emotional words.’
    • ‘Advertising values memorability and pattern recognition, and those things are pleasures, but difficulty and novelty and freshness are also pleasures.’
    • ‘But sensationalism is no guarantee of lasting memorability.’

Pronunciation

memorability

/ˌmɛm(ə)rəˈbɪlədi//ˌmem(ə)rəˈbilədē/