fail

verb

1.
fail to do something; leave something undone
oversit neglect
Derived from:
failure
2.
be unsuccessful
go wrong miscarry
Antonym:
succeed
Derived from:
failure
3.
disappoint, prove undependable to; abandon, forsake
betray
4.
5.
be unable
Antonym:
manage
6.
judge unacceptable
Antonym:
pass
Derived from:
failing
7.
fail to get a passing grade
dop bomb flunk flush it
Antonym:
pass
Derived from:
failing
8.
fall short in what is expected
misgo swether unfulfill
Derived from:
failing failure
9.
become bankrupt or insolvent; fail financially and close
Derived from:
failure
10.
prove insufficient
give out run out
11.
deteriorate