Definition of challenge in English:

challenge

Syllabification: chal·lenge
Pronunciation: /ˈCHalənj
 
/

noun

  • 1A call to take part in a contest or competition, especially a duel: he accepted the challenge
    More example sentences
    • Because of this idea of a competitive country, open to the biggest international challenges, I decided to be associated with the creation of A1 Team Portugal.
    • A diversity of masculine subjectivities is mobilized around and through Spike as he comes to terms with challenges to his power.
    • The obsession of kite flying can also be seen in competitive kite challenges.
    Synonyms
    dare, provocation; summons
  • 1.1A task or situation that tests someone’s abilities: the ridge is a challenge for experienced climbers
    More example sentences
    • The novice traveler often must undergo tests or challenges, but the experienced holy person is familiar with the road and the terrain and encounters no such problems.
    • Every day, the dozy dozen face a series of challenges and tasks designed to test the sleep-deprived.
    • It was his brother, Matthew, an architect, who took up the challenge of linking the tiny stone school buildings and turning them into a home.
    Synonyms
    problem, difficult task, test, trial
  • 1.2An attempt to win a contest or championship in a sport: a world title challenge
    More example sentences
    • Manchester United have won through November in a manner that should presage a championship challenge.
    • They'll come second, but should really be staking a claim for a championship challenge.
    • It was a nice win and one that we needed if we are to mount a challenge for the play-offs.
  • 2An objection or query as to the truth of something, often with an implicit demand for proof: a challenge to the legality of the order
    More example sentences
    • Before the court now is the claimant's challenge to both limbs of that decision.
    • Last September Mr Justice Pitchford rejected their judicial review challenge to the Home Office's stance.
    • I was thinking by way of challenge to the witnesses who were involved in the theft of the vehicle.
    Synonyms
    test, questioning, dispute, stand, opposition, confrontation
  • 2.1A sentry’s call for a password or other proof of identity.
    More example sentences
    • Partisan poll workers have been accused of intimidating voters with photographs, heckling, and by challenges to their identity and qualifications.
    • In order to proceed further, you must answer the sentry's challenge by entering the countersign
    • The challenge must be made at a distance sufficient to prevent your being rushed by the person being challenged.
  • 2.2 Law An objection regarding the eligibility or suitability of a jury member.
    More example sentences
    • Most of the hearing time was actually occupied by challenges to the jury, as it were, the panel of military officers that are going to hear the case.
    • The coroner in charge of the inquest is facing a legal challenge to his decision to appoint 12 royal courtiers to the jury
    • In mounting such a challenge, an attorney argues that based on a person's answers to the lawyer's or the judge's questions, that person has proved himself incapable of carrying out his responsibilities as a juror.
  • 3 Medicine Exposure of the immune system to pathogenic organisms or antigens: recently vaccinated calves should be protected from challenge
    More example sentences
    • The effect of M. habana vaccination on protection against challenge with M. tuberculosis was evaluated.
    • Acute antigen challenge of the airways can lead to rapid edema and appearance of plasma proteins in the airways.
    • Both mediators were elevated in patients with asthma after allergen challenge.

verb

[with object] Back to top  
  • 1Invite (someone) to engage in a contest: he challenged one of my men to a duel
    More example sentences
    • The contest challenged children to describe what they do before bed each night to help them get a good night's sleep - and why.
    • Last week a man saw me lifting by myself and challenged me to a contest.
    • Before she would agree to marry her suitor, she challenged him to several contests and always won.
  • 1.1Enter into competition with or opposition against: incumbent Democrats are being challenged in the 29th district
    More example sentences
    • In 1902, Saint-Pierre was also the bastion of a white supremacy whose power was being challenged by a populist opposition.
    • Mr Hayes has challenged the introduction of competition at the expense of the British Post Office.
    • That move is being challenged by the Federal Opposition.
  • 1.2Make a rival claim to or threaten someone’s hold on (a position): they were challenging his leadership
    More example sentences
    • A pioneer in liquid crystal displays, Sharp has seen its once-dominant position challenged by Taiwanese and Korean rivals.
    • Fan is so far the only candidate and no one has yet emerged from the democratic camp to challenge the position she has held for the past seven years.
    • The impressive and young Nurney team have not lost sight of the fact that they are one win away from getting themselves into a promotion challenging position.
  • 1.3 [with object and infinitive] Invite (someone) to do something that one thinks will be difficult or impossible; dare: I challenged them to make up their own minds
    More example sentences
    • We are challenged with a most difficult task, which is to uphold the law,’ he said.
    • Its hardships and difficulties challenge us to look into our soul so that we can ask how deeply we are willing to trust God.
    • Some might say he was challenging me to work harder for my own good.
  • 1.4Test the abilities of: he needed something both to challenge his skills and to regain his crown as the king of the thriller
    More example sentences
    • The rare breeds hatchery business has challenged them, Drowns says.
    • No strategy he could come up with would challenge him enough to spark interest.
    • During the trading year, random events could spring up to challenge your ability to manage the business through such unforeseen situations.
    Synonyms
    test, tax, strain, make demands on; stretch, stimulate, inspire, excite
  • 2Dispute the truth or validity of: employees challenged the company’s requirement
    More example sentences
    • He said that either a Newton Hearing, in which the disputed evidence is challenged, or an agreed basis of plea needed to take place before he could proceed with the case.
    • Morrison completes her trilogy by confronting contemporary race and gender representations and challenging declarations of truth and law.
    • By saying she doesn't remember she is tacitly accepting the truth by not challenging it.
    Synonyms
    question, disagree with, dispute, take issue with, protest against, call into question, object to
  • 2.1 Law Object to (a jury member).
    More example sentences
    • The parties to any jury trial may inspect a copy of the panel from which the jury in their trial will be chosen, in order to decide whether any should be challenged
    • Defence Counsel may challenge two jury candidates and jurors will be asked if they have any connection with case or defendant.
    • Since one is not allowed to select jurors, but only to challenge (deselect) them, traditional approaches to jury selection have focused on identification and challenge of undesirable jurors
  • 2.2(Of a sentry) call on (someone) for proof of identity.
    More example sentences
    • The security guard challenged him outside the building and the youngster gave himself up.
    • Harkishin was challenged by security guards when he approached the checkout on Sunday.
    • Sometimes a guard will challenge me and demand to see my pass.
  • 3 Medicine Expose (the immune system) to pathogenic organisms or antigens.
    More example sentences
    • The animals were not challenged with antigen after sensitization as the aim was to study the biochemical changes due to sensitization alone.
    • This suggests that these variables at least remain similarly ranked among individuals, despite the fact that the immune system was challenged by SRBC.
    • If the immune system was challenged with a large dose of virus or bacteria, then a large population of T cells was generated by the expansion phase.

Derivatives

challengeable

adjective
More example sentences
  • He said: ‘Regardless of whether it is challengeable or not, it undermines the whole democratic process.’
  • Potentially the list is challengeable under Human Rights legislation because people have the right to be presumed innocent unless proven guilty.
  • Are you being advised that these particular patents are challengeable?

challenger

noun
More example sentences
  • But Dettori will face new challengers from among the generation of up-and-coming jockeys.
  • But they will be unable to live with the Division One title challengers.
  • From now on, the league becomes interesting as contenders and challengers start to show their hands.

Origin

Middle English (in the senses 'accusation' and 'accuse'): from Old French chalenge (noun), chalenger (verb), from Latin calumnia 'calumny', calumniari 'calumniate'.

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