From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

Jew'ish. (Of or Belonging To Jews). An epithet applied to their rabbinical legends.  Titus 1:14.

Webster's Dictionary [2]

(a.) Of or pertaining to the Jews or Hebrews; characteristic of or resembling the Jews or their customs; Israelitish.

King James Dictionary [3]

JEW'ISH, a. Pertaining to the Jews or Hebrews.  Titus 1

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [4]

( Ι᾿Ουδαϊκός ), of or belonging to Jews: an epithet applied to the Rabbinical legends against which the apostle Paul warns his younger brother ( Titus 1:14). (See Jew).