Back·slid·ing, a. Slipping back; falling back into sin or error; sinning.
     Turn, O backsliding children, saith the Lord.   --Jer. iii. 14.
  Back·slid·ing, n. The act of one who backslides; abandonment of faith or duty.
     Our backslidings are many.   --Jer. xiv. 7.
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  Back·slide v. i.   [imp. Backslid p. p. Backslidden Backslid; p. pr. & vb. n.  Backsliding.]  To slide back; to fall away; esp. to abandon gradually the faith and practice of a religion that has been professed.
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  backsliding
       n : a failure to maintain a higher state [syn: lapse, lapsing,
            relapse, relapsing, reversion, reverting]