Source : Webster's Revised Unabridged Dictionary (1913)

Innocuous \In*noc"u*ous\, a. [L. innocuus; in- not + nocuus
   hurtful, fr. nocere to hurt. See {Innocent}.]
   Harmless; producing no ill effect; innocent.

         A patient, innocuous, innocent man.      --Burton.
   -- {In*noc"u*ous*ly}, adv. -- {In*noc"u*ous*ness}, n.

         Where the salt sea innocuously breaks.   --Wordsworth.