unhummable

English

Etymology

From un- +‎ hummable.

Adjective

unhummable (comparative more unhummable, superlative most unhummable)

1. That cannot be hummed.
   • 1987, Jay Robert Nash, Stanley Ralph Ross, The Motion Picture Guide, volume 7, page 2753:

     A dull movie that is also tasteless, with a drunk scene, a seduction scene, Reynolds shaking her behind while Crosby and a nun watch, plus several songs that are unhummable, unwhistleable, and unmemorable.