1) Crossing 2) Discouraging 3) Frustrative 4) Infuriating 5) Maddening 6) Preventative 7) Thwarting 8) Tiresome 1) Discouraging 2) Discouraging by hindering 3) Like going in circles 
• (p. pr. & vb. n.) of Frustrate
[adj] - preventing realization or attainment of a desire 2. [adj] - discouraging by hindering
frustrate, frustrating, frustrated 1. To prevent someone or something from succeeding or something from coming to fruition: 'All of their attempts to go out to sea were frustrated by high winds.' 2. To make someone feel disappointed, exasperated, or weary because of thwarted goals or unsatisfied desires. 3. To cause feelings of discouragement or ...
frustrative adjective preventing realization or attainment of a desire