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