innocuous

from WordNet (r) 3.0 (2006)
innocuous
    adj 1: not injurious to physical or mental health [ant:
           {noxious}]
    2: not causing disapproval; "it was an innocuous remark";
       "confined himself to innocuous generalities";
       "unobjectionable behavior" [syn: {innocuous},
       {unobjectionable}]
    3: lacking intent or capacity to injure; "an innocent prank"
       [syn: {innocent}, {innocuous}]
    
from The Collaborative International Dictionary of English v.0.48
Innocuous \In*noc"u*ous\, a. [L. innocuus; in- not + nocuus
   hurtful, fr. nocere to hurt. See {Innocent}.]
   Harmless; producing no ill effect.
   [1913 Webster]

         A patient, innocuous, innocent man.      --Burton.
   -- {In*noc"u*ous*ly}, adv. -- {In*noc"u*ous*ness}, n.
   [1913 Webster]

         Where the salt sea innocuously breaks.   --Wordsworth.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
35 Moby Thesaurus words for "innocuous":
      benign, harmless, homely, humble, humble-looking, humble-visaged,
      humblest, inglorious, innocent, inoffensive, least, low, lowest,
      lowliest, lowly, mean, modest, nonmalignant, nonpoisonous,
      nontoxic, nonvirulent, plain, poor, sapless, simple, small,
      teachable, undamaging, undistinguished, unhurtful, unimportant,
      uninjurious, unobnoxious, unoffending, unpretentious

    

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