'Toothless' definitions:

Definition of 'toothless'

From: WordNet
adjective
Lacking teeth; "most birds are toothless"; "a toothless old crone" [ant: toothed]
adjective
Lacking necessary force for effectiveness; "a toothless piece of legislation"

Definition of 'Toothless'

From: GCIDE
  • Toothless \Tooth"less\, a. Having no teeth. --Cowper. [1913 Webster]