FAILS

Fail to do something; leave something undone

Example: "She failed to notice that her child was no longer in his crib"

• neglect  10

• lose track
• strike out
• default  11
• default on
• • choke  14
  • miss  6
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Be unsuccessful

Example: "Where do today's public schools fail?"

• go wrong
• miscarry  15

• take it on the chin
• miss  6
• overreach  17
• ball up
• • bobble  12
  • bodge  9
  • bollix  15
  • bollix up
  • botch  12
  • botch up
  • bumble  12
  • bungle  9
  • flub  9
  • fluff  14
  • fumble  13
  • louse up
  • mishandle  15
  • muck up
  • screw up
  • spoil  7
  • strike out
  • fall  7
  • shipwreck  23
  • fall flat
  • fall through
  • flop  9
  • founder  11
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• succeed  12

Disappoint, prove undependable to; abandon, forsake

Example: "His sense of smell failed him this time"

• betray  11

Stop operating or functioning

Example: "The engine finally went"

• break  11
• break down
• conk out
• die  4
• give out
• give way
• go  3
• go bad

• change  12

• crash  10
• go down
• blow out
• burn out
• • misfire  12
  • malfunction  18
  • misfunction  18
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Be unable

Example: "I fail to understand your motives"

• manage  9

Judge unacceptable

Example: "The teacher failed six students"

• pass  6

Fail to get a passing grade

Example: "She studied hard but failed nevertheless"

• bomb  10
• flunk  12
• flush it

• pass  6

Fall short in what is expected

Example: "She failed in her obligations as a good daughter-in-law"

Become bankrupt or insolvent; fail financially and close

Example: "The toy company went bankrupt after the competition hired cheap mexican labor"

Prove insufficient

Example: "The water supply for the town failed after a long drought"

• give out
• run out

Deteriorate

Example: "Her health is declining"