Definition of songless in US English:

songless

adjective

  • 1Lacking song or songs; not singing.

  • 2Designating a bird that does not sing, or that does not have a characteristic or melodious song. Also (Ornithology): †designating a passerine bird that is not a songbird (oscine passerine) (obsolete).

Origin

Mid 18th century; earliest use found in The London Magazine. From song + -less.

Pronunciation

songless

/ˈsɒŋləs/