资料来源 : pyDict

偷偷掉换的,冒充的,想象的,假的,私生的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Supposititious \Sup*pos`i*ti"tious\, a. [L. suppositicus. See
   {Supposition}.]
   1. Fraudulently substituted for something else; not being
      what is purports to be; not genuine; spurious;
      counterfeit; as, a supposititious child; a supposititious
      writing. --Bacon.

   2. Suppositional; hypothetical. [R.] --Woodward. --
      {Sup*pos`i*ti"tious*ly}, adv. --
      {Sup*pos`i*ti"tious*ness}, n.

资料来源 : WordNet®

supposititious
     adj : based primarily on surmise rather than adequate evidence;
           "theories about the extinction of dinosaurs are still
           highly conjectural"; "the supposed reason for his
           absence"; "suppositious reconstructions of dead
           languages"; "supposititious hypotheses" [syn: {conjectural},
            {divinatory}, {supposed}, {suppositional}, {suppositious}]