Source : Webster's Revised Unabridged Dictionary (1913)

Endurable \En*dur"a*ble\, a. [Cf. OF. endurable. See {Endure}.]
   Capable of being endured or borne; sufferable. --Macaulay. --
   {En*dur"a*ble*ness}, n.

Source : WordNet®

endurable
     adj : capable of being borne though unpleasant; "sufferable
           punishment" [syn: {bearable}, {sufferable}, {supportable}]