counterstrategy
countercraft
Pareto optimal
countermand
resist
oppose
negative
counteract
plan B
play hardball
vitiate
thwart
countermeasure
countermine
beat someone at their own game
discomfit
antistrategic
do-or-die
evolutionarily stable strategy
self-defeating
suck and blow
bungle
crush
drive a coach and horses through
cross
break down
flake
bulletproof
undermine
lay an egg
cut the ground from under someone's feet
counteractant
self-handicap
bite
fail at life
whatever it takes
rules of the game
mise
rise above
spike someone's guns
underachieve
stop at nothing
non-starter
botch
prophylaxis
hamstring
put a spoke in someone's wheel
knock on the head
nostrum
mismanipulate
ploy
poison pill
pull a fast one
shareholder rights plan
avoid
override
truck
flaky
blow
hit a wall
cop out
opt out
mess up
sabotage
do nothing
disconsider
uneffective
call someone's bluff
countertactic
scorched-earth policy
fink out
maneuver
bring it weak
desperate
underwrite
counterexploit
ratfuck
unlock
forbid
take the wind out of someone's sails
let lie
make one's own luck
kick into touch
goal
rain dance
bucket
mishandle
take steps
end
if it ain't broke, don't fix it
whistle in the wind
unprovoke
drop the ball
unhelp
counterprocess
counter-argumentative
nonsolution