Thwart, v. t. [imp. & p. p. Thwarted; p. pr. & vb. n. Thwarting.]
 1. To move across or counter to; to cross; as, an arrow thwarts the air. [Obs.]
 Swift as a shooting star
 In autumn thwarts the night.   --Milton.
 2. To cross, as a purpose; to oppose; to run counter to; to contravene; hence, to frustrate or defeat.
    If crooked fortune had not thwarted me.   --Shak.
    The proposals of the one never thwarted the inclinations of the other.   --South.


 thwarting
      adj : preventing realization or attainment of a desire [syn: frustrating,
             frustrative]
      n : an act of hindering someone's plans or efforts [syn: frustration,
           foiling]