Can I use comparative adjective for compound adjectives?

For example,

Caged birds are longer-lived birds than the ones in the wild.

  • What compound adjective? longer-lived is not idiomatic.
    – Lambie
    Jul 24, 2020 at 13:07

1 Answer 1


Yes, you can. You can say

Caged birds are longer-lived than birds in the wild.

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