crack
problem-solve
square the circle
enodation
solvability
resolve
resolution
solving
decipher
unmanageable
uncontrollable
firefighting
hard nut to crack
solutionally
cure
answer
tough nut to crack
solvable
a problem shared is a problem halved
solution
unmess
subproblem
resolvable
upsolve
problem
talk out
pig
brainteaser
boil the ocean
unresolvable
problematic
unsoluble
unsolvable
unriddle
dissolving
dissolution
insolvable
solve
doo-doo
iron out
torfer
ticket
science
troubleshoot
solutional
job
trouble-shoot
rub
escape fire
killer
unpick
hack away
go at
mean
unpuzzle
enmesh
ambitious
mountain to climb
dissolve
one-banana problem
figure
throw down the gauntlet
in a bind
yak shaving
crux
approach
line of attack
conundrum
riddle
brain-teaser
enigma
stumper
task
meliorate
puzzle out
brainstorm
Gordian knot
bring off
lick
work out
counterdifficulty
figure out
puzzle over
work
three-pipe problem
come out in the wash
nail the hammer on the head
goat rope
skittish
rub along
toughness
intractable
problematize
challenging