'Rainless' definitions:

Definition of 'rainless'

From: WordNet
adjective
Lacking rain; "a rainless month"; "rainless skies"

Definition of 'Rainless'

From: GCIDE
  • Rainless \Rain"less\ (r[=a]n"l[e^]s), a. Destitute of rain; as, a rainless region. [1913 Webster]