Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: hinder or prevent (the efforts, plans, or desires) of
"What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent";
See also: double cross
Similiar / Same: scotch, frustrate, foil, baffle, bilk, cross, spoil
Categories: forbid, foreclose, forestall, preclude, prevent
Within this category: dash, disappoint, ruin, short-circuit