challenge

défi

Quelque chose de difficile qui demande des efforts, de l’habileté ou du courage.

En anglais simple : Something difficult that requires effort, skill, or courage to do.

• This puzzle is a challenge.
• Starting a new job brings many challenges.
• Are you ready for the challenge of living abroad?

Comment l'utiliser : the challenge of doing something (She enjoys the challenge of learning a new language.); a challenge for someone (The long climb was a challenge for everyone.)

Synonymes : test, difficult task

Expressions courantes : face a challenge, meet a challenge, major challenge

défi

Une invitation à affronter quelqu’un dans une compétition ou un combat.

En anglais simple : An invitation to compete against someone or fight them.

• He accepted my challenge.
• She issued a challenge to the chess champion.
• They refused his challenge to a public debate.

Comment l'utiliser : a challenge to do something (He accepted her challenge to race across the field.); a challenge to someone (The champion issued a challenge to all his rivals.)

Synonymes : dare

Expressions courantes : accept a challenge, issue a challenge, challenge to someone

contestation

Une tentative de vaincre quelqu’un ou d’affaiblir son pouvoir ou son autorité.

En anglais simple : An attempt to defeat someone or weaken their power or control.

• The strike presents a challenge to government power.
• She mounted a challenge to the party leader.
• His challenge to the throne failed.

Comment l'utiliser : challenge to something (The protest was a challenge to his leadership.)

Synonymes : opposition

Expressions courantes : challenge to authority, mount a challenge

récusation

Une demande légale d’écarter un juge ou un autre responsable qui pourrait être partial ou incapable d’exercer.

En anglais simple : A legal request to remove a judge or similar official because they may be unfair or unable to serve.

• The lawyer filed a challenge to the judge.
• Their challenge alleged that the arbitrator was biased.
• The court heard two challenges based on conflicts of interest.

Comment l'utiliser : challenge to someone (The court rejected the challenge to the arbitrator.)

Synonymes : recusal request

Expressions courantes : challenge to someone, challenge of someone

mettre à l’épreuve

Obliger quelqu’un à faire des efforts ou à utiliser ses capacités face à une difficulté.

En anglais simple : To make someone use their skills or effort to deal with something difficult.

• This puzzle will challenge you.
• The course challenged even the strongest students.
• Her new job challenges her technical skills.

Synonymes : test, stretch

Expressions courantes : challenge someone, challenge someone intellectually

contester, remettre en question

Dire que quelque chose pourrait être faux, injuste ou incorrect.

En anglais simple : To say that something may be wrong, unfair, or untrue.

• She challenged the decision.
• The lawyer challenged his account of the accident.
• These findings challenge our assumptions about sleep.

Synonymes : question, dispute, contest

Contraires : accept

Expressions courantes : challenge a decision, challenge something in, challenge an assumption, challenge a belief

défier

Inviter quelqu’un à vous affronter dans une compétition ou un combat.

En anglais simple : To invite someone to compete or fight against you.

• I challenge you to a game of chess.
• He challenged his brother to a race.
• Who dared to challenge the champion?

Comment l'utiliser : challenge someone to something (Lena challenged me to a race.)

Expressions courantes : challenge someone to, challenge a rival