1. (physics) the number of changes in energy flow across a given surface per unit area

    Synonyms : flux density
    Type Of : density, denseness
  2. move or progress freely as if in a stream

    Synonyms : flow
    Type Of : move
  3. mix together different elements

    Synonyms : blend, coalesce, combine, commingle, conflate, fuse, immix, meld, merge, mix
    Type Of : change integrity
  4. a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action

    Synonyms : state of flux
    Type Of : state
    Examples :
    • the flux following the death of the emperor
  5. the lines of force surrounding a permanent magnet or a moving charged particle

    Synonyms : magnetic field, magnetic flux
    Type Of : field, field of force, force field
  6. a flow or discharge

    Synonyms : fluxion
    Type Of : flowing, flow
  7. become liquid or fluid when heated

    Synonyms : liquefy, liquify
    Type Of : change integrity
  8. a substance added to molten metals to bond with impurities that can then be readily removed

    Type Of : chemical, chemical substance
  9. excessive discharge of liquid from a cavity or organ (as in watery diarrhea)

    Type Of : pathology
  10. in constant change

    Type Of : change
    Examples :
    • his opinions are in flux
    • the newness and flux of the computer industry
  11. the rate of flow of energy or particles across a given surface

    Type Of : rate


  1. at ease in talking to others

    Synonyms : extroverted, outgoing
  2. of the relatively near future

    Synonyms : approaching, coming, upcoming
    Examples :
    • the forthcoming holidays
  3. available when required or as promised

    Examples :
    • federal funds were not forthcoming


  1. treat cruelly

    Synonyms : bedevil, crucify, dun, rag, torment
    Type Of : chivvy, chevy, chivy, plague, provoke, beset, harass, harry, hassle, chevvy, molest
  2. hinder or prevent (the efforts, plans, or desires) of

    Synonyms : baffle, bilk, cross, foil, queer, scotch, spoil, thwart
    Type Of : foreclose, forestall, prevent, preclude, forbid
    Examples :
    • What ultimately frustrated every challenger was Ruth's amazing September surge


  1. marked by or showing hopelessness

    Examples :
    • the last forlorn attempt
    • a forlorn cause


  1. the unwritten lore (stories and proverbs and riddles and songs) of a culture

    Type Of : lore, traditional knowledge


  1. good-natured tolerance of delay or incompetence

    Synonyms : longanimity, patience
    Type Of : good nature
  2. a delay in enforcing rights or claims or privileges; refraining from acting

    Type Of : delay, holdup
    Examples :
    • his forbearance to reply was alarming


  1. disappoint, prove undependable to; abandon, forsake

    Synonyms : betray
    Type Of : let down, disappoint
    Examples :
    • His sense of smell failed him this time
    • His strength finally failed him
    • His children failed him in the crisis
  2. be unsuccessful

    Synonyms : go wrong, miscarry
    Antonyms : succeed
    Examples :
    • Where do today's public schools fail?
    • The attempt to rescue the hostages failed miserably
  3. fail to do something; leave something undone

    Synonyms : neglect
    Examples :
    • 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
  4. stop operating or functioning

    Synonyms : break, break down, conk out, die, give out, give way, go, go bad
    Type Of : change
    Examples :
    • The engine failed on the way to town
  5. prove insufficient

    Synonyms : give out, run out
    Examples :
    • The water supply for the town failed after a long drought
  6. fail to get a passing grade

    Synonyms : bomb, flunk, flush it
    Antonyms : pass
    Examples :
    • She studied hard but failed nevertheless
    • Did I fail the test?
  7. fall short in what is expected

    Examples :
    • She failed in her obligations as a good daughter-in-law
    • We must not fail his obligation to the victims of the Holocaust
  8. get worse

    Type Of : decline, worsen
  9. judge unacceptable

    Antonyms : pass
    Type Of : pass judgment, evaluate, judge
    Examples :
    • The teacher failed six students
  10. be unable

    Antonyms : manage
    Examples :
    • I fail to understand your motives
  11. become bankrupt or insolvent; fail financially and close

    Examples :
    • A number of banks failed that year


  1. a person with a record of failing; someone who loses consistently

    Synonyms : loser, nonstarter, unsuccessful person
    Type Of : unfortunate, unfortunate person
  2. inability to discharge all your debts as they come due

    Synonyms : bankruptcy
    Type Of : insolvency
    Examples :
    • fraudulent loans led to the failure of many banks
  3. an act that fails

    Type Of : nonaccomplishment, nonachievement
    Examples :
    • his failure to pass the test
  4. an event that does not accomplish its intended purpose

    Antonyms : success
    Type Of : occurrence, occurrent, happening, natural event
    Examples :
    • the surprise party was a complete failure
  5. an unexpected omission

    Type Of : skip, omission
    Examples :
    • he resented my failure to return his call
    • the mechanic's failure to check the brakes
  6. lack of success

    Antonyms : success
    Type Of : luck, fate, destiny, circumstances, portion, fortune, lot
    Examples :
    • he felt that his entire life had been a failure
    • that year there was a crop failure
  7. loss of ability to function normally

    Type Of : disorder, upset
    Examples :
    • kidney failure


  1. marked by defiant disregard for danger or consequences

    Synonyms : heady, rash, reckless
    Examples :
    • foolhardy enough to try to seize the gun from the hijacker


  1. of or relating to or containing iron

    Synonyms : ferric