Source : Webster's Revised Unabridged Dictionary (1913)

Declass \De*class"\, v. t. [imp. & p. p. {Declassed}; p. pr. &
   vb. n. {Declassing}.] [Cf. F. d['e]classer.]
   To remove from a class; to separate or degrade from one's
   class. --North Am. Rev.