controlled by (adjective) contingent: conditional; possible
Sinonime: continue, drive home, drub into,
drudge, drum into,
endeavor, grind into,
grind*, impress upon,
instruct, keep on, peg away,
persevere,
persist, plug away, pound away,
repeat, stick to, try hard, try repeatedly,
workAntonime: certain,
definite,
real,
sure,
truthful,
unconditional