S: (v) prevent, forestall, foreclose, preclude, forbid (keep from happening or arising; make impossible) "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"
S: (v) inhibit (prohibit, forbid, or prevent from doing something) "Contact between the young was inhibited by strict social customs"
S: (v) save, make unnecessary (make unnecessary an expenditure or effort) "This will save money"; "I'll save you the trouble"; "This will save you a lot of time"
S: (v) thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk (hinder or prevent (the efforts, plans, or desires) of) "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
S: (v) stop, halt, block, kibosh (stop from happening or developing) "Block his election"; "Halt the process"