Adjective failing has 2 senses
  1. failed, failing - unable to meet financial obligations; "a failing business venture"
    Antonym: successful (indirect, via unsuccessful)
  2. failing - below acceptable in performance; "received failing grades"
    Antonym:
    satisfactory (indirect, via unsatisfactory)
,Noun failing has 2 senses
  1. failing, weakness - a flaw or weak point; "he was quick to point out his wife's failings"
    --1 is a kind of imperfection, imperfectness
    --1 has particulars: insufficiency, inadequacy; fatigue; flaw
    Derived form: verb fail8
  2. failing - failure to reach a minimum required performance; "his failing the course led to his disqualification"
    --2 is a kind of
    failure
    Antonyms: passing, pass, qualifying
    Derived forms: verb fail6, verb fail7
,Verb fail has 11 senses
  1. fail, neglect - fail to do something; leave something undone; "She failed to notice that her child was no longer in his crib"; "The secretary failed to call the customer and the company lost the account"
    Derived form: noun failure5
    Sample sentence:
    Somebody ----s to INFINITIVE
  2. fail, go wrong, miscarry - be unsuccessful; "Where do today's public schools fail?"; "The attempt to rescue the hostages failed miserably"
    Antonyms: succeed, win, come through, bring home the bacon, deliver the goods
    Derived forms: noun failure1, noun failure3, noun failure4, noun failure2
    Sample sentences:
    Something ----s
    Somebody ----s
    Something is ----ing PP
    Somebody ----s PP
  3. fail, betray - disappoint, prove undependable to; abandon, forsake; "His sense of smell failed him this time"; "His strength finally failed him"; "His children failed him in the crisis"
    --3 is one way to disappoint, let down
    Sample sentences:
    Somebody ----s somebody
    Something ----s somebody
  4. fail, go bad, give way, die, give out, conk out, go, break, break down - stop operating or functioning; "The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident"
    --4 is one way to change
    Derived form: noun failure7
    Sample sentence:
    These cars won't fail
  5. fail - be unable; "I fail to understand your motives"
    Antonyms:
    pull off, negociate, bring off, carry off, manage
    Sample sentence:
    Somebody ----s to INFINITIVE
  6. fail - judge unacceptable; "The teacher failed six students"
    --6 is one way to
    judge
    Antonyms: pass
    Derived form: noun failing2
    Sample sentence:
    Somebody ----s somebody
  7. fail, flunk, bomb, flush it - fail to get a passing grade; "She studied hard but failed nevertheless"; "Did I fail the test?"
    Antonyms: pass, make it
    Derived form: noun failing2
    Sample sentences:
    Somebody ----s
    Somebody ----s something
  8. fail - fall short in what is expected; "She failed in her obligations as a good daughter-in-law"; "We must not fail his obligation to the victims of the Holocaust"
    Derived forms: noun failure2, noun failing1
    Sample sentences:
    Somebody ----s something
    Somebody ----s PP
  9. fail - become bankrupt or insolvent; fail financially and close; "The toy company went bankrupt after the competition hired cheap Mexican labor"; "A number of banks failed that year"
    Derived form: noun failure6
    Sample sentences:
    Something ----s
    Somebody ----s
  10. fail, run out, give out - prove insufficient; "The water supply for the town failed after a long drought"
    Sample sentence:
    Something ----s
  11. fail - get worse; "Her health is declining"
    --11 is one way to
    worsen, decline
    Sample sentence:
    Something ----s
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