Competition vs. Challenge

Competitionnoun

(uncountable) The action of competing.

‘The competition for this job is strong.’;

Challengenoun

A confrontation; a dare.

Competitionnoun

(countable) A contest for a prize or award.

‘The newspaper is featuring a competition to win a car.’;

Challengenoun

An instigation or antagonization intended to convince a person to perform an action they otherwise would not.

Competitionnoun

The competitors in such a contest.

‘The new stain remover was ten times more effective than the competition.’;

Challengenoun

A bid to overcome something.

‘a challenge to the king's authority’;

Competitionnoun

The act of seeking, or endeavoring to gain, what another is endeavoring to gain at the same time; common strife for the same objects; strife for superiority; emulous contest; rivalry, as for approbation, for a prize, or as where two or more persons are engaged in the same business and each seeking patronage; - followed by for before the object sought, and with before the person or thing competed with.

‘Competition to the crown there is none, nor can be.’; ‘A portrait, with which one of Titian's could not come in competition.’; ‘There is no competition but for the second place.’; ‘Where competition does not act at all there is complete monopoly.’;

Challengenoun

(sports) An attempt to take possession; a tackle

Competitionnoun

a business relation in which two parties compete to gain customers;

‘business competition can be fiendish at times’;

Challengenoun

A summons to fight a duel; also, the letter or message conveying the summons.

Competitionnoun

an occasion on which a winner is selected from among two or more contestants

Challengenoun

The act of a sentry in halting a person and demanding the countersign, or (by extension) the action of a computer system demanding a password, etc.

Competitionnoun

the act of competing as for profit or a prize;

‘the teams were in fierce contention for first place’;

Challengenoun

An attempt to have a work of literature restricted or removed from a public library or school curriculum.

Competitionnoun

the contestant you hope to defeat;

‘he had respect for his rivals’; ‘he wanted to know what the competition was doing’;

Challengenoun

A difficult task, especially one that the person making the attempt finds more enjoyable because of that difficulty.

Competition

Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game). Competition can arise between entities such as organisms, individuals, economic and social groups, etc.

Challengenoun

(legal) A procedure or action.

Challengenoun

A judge's interest in the result of the case for which he or she should not be allowed to sit the case, e.g. a conflict of interest.

‘Consanguinity in direct line is a challenge for a judge when he or she is sitting cases.’;

Challengenoun

The act of appealing a ruling or decision of a court of administrative agency.

Challengenoun

The act of seeking to remove a judge, arbitrator or other judicial or semi-judicial figure for reasons of alleged bias or incapacity.

‘We're still waiting to hear how the court rules on our challenge of the arbitrator based on conflict of interest.’;

Challengenoun

(US) An exception to a person as not legally qualified to vote. The challenge must be made when the ballot is offered.

Challengenoun

(hunting) The opening and crying of hounds at first finding the scent of their game.

Challengeverb

To invite someone to take part in a competition.

‘We challenged the boys next door to a game of football.’;

Challengeverb

To dare someone.

Challengeverb

To dispute something.

‘to challenge the accuracy of a statement or of a quotation’;

Challengeverb

(legal) To make a formal objection to a juror.

Challengeverb

(obsolete) To claim as due; to demand as a right.

Challengeverb

(obsolete) To censure; to blame.

Challengeverb

(military) To question or demand the countersign from (one who attempts to pass the lines).

‘The sentinel challenged us with "Who goes there?"’;

Challengeverb

(US) To object to the reception of the vote of, e.g. on the ground that the person is not qualified as a voter.

Challengeverb

To take (a final exam) in order to get credit for a course without taking it.

Challengenoun

An invitation to engage in a contest or controversy of any kind; a defiance; specifically, a summons to fight a duel; also, the letter or message conveying the summons.

‘A challenge to controversy.’;

Challengenoun

The act of a sentry in halting any one who appears at his post, and demanding the countersign.

Challengenoun

A claim or demand.

‘There must be no challenge of superiority.’;

Challengenoun

The opening and crying of hounds at first finding the scent of their game.

Challengenoun

An exception to a juror or to a member of a court martial, coupled with a demand that he should be held incompetent to act; the claim of a party that a certain person or persons shall not sit in trial upon him or his cause.

Challengenoun

An exception to a person as not legally qualified to vote. The challenge must be made when the ballot is offered.

Challengeverb

To call to a contest of any kind; to call to answer; to defy.

‘I challenge any man to make any pretense to power by right of fatherhood.’;

Challengeverb

To call, invite, or summon to answer for an offense by personal combat.

‘By this I challenge him to single fight.’;

Challengeverb

To claim as due; to demand as a right.

‘Challenge better terms.’;

Challengeverb

To censure; to blame.

‘He complained of the emperors . . . and challenged them for that he had no greater revenues . . . from them.’;

Challengeverb

To question or demand the countersign from (one who attempts to pass the lines); as, the sentinel challenged us, with "Who comes there?"

Challengeverb

To take exception to; question; as, to challenge the accuracy of a statement or of a quotation.

Challengeverb

To object to or take exception to, as to a juror, or member of a court.

Challengeverb

To object to the reception of the vote of, as on the ground that the person in not qualified as a voter.

Challengeverb

To assert a right; to claim a place.

‘Where nature doth with merit challenge.’;

Challengenoun

a demanding or stimulating situation;

‘they reacted irrationally to the challenge of Russian power’;

Challengenoun

a call to engage in a contest or fight

Challengenoun

questioning a statement and demanding an explanation;

‘his challenge of the assumption that Japan is still our enemy’;

Challengenoun

a formal objection to the selection of a particular person as a juror

Challengenoun

a demand by a sentry for a password or identification

Challengeverb

take exception to;

‘She challenged his claims’;

Challengeverb

issue a challenge to;

‘Fischer challenged Spassky to a match’;

Challengeverb

ask for identification;

‘The illegal immigrant was challenged by the border guard’;

Challengeverb

raise a formal objection in a court of law

Challengenoun

a call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength

‘he accepted the challenge’;

Challengenoun

a task or situation that tests someone's abilities

‘he took up the challenge of organizing a sports afternoon’; ‘the traverse of the ridge is a challenge for experienced climbers’;

Challengenoun

an attempt to win a contest or championship in a sport

‘he is desperate for a third world title challenge’;

Challengenoun

a call to prove or justify something

‘a challenge to the legality of the banning order’;

Challengenoun

a guard's call for a password or other proof of identity

‘I heard the challenge ‘Who goes there?’’;

Challengenoun

an objection regarding the eligibility or suitability of a jury member.

Challengenoun

exposure of the immune system to pathogenic organisms or antigens

‘recently vaccinated calves should be protected from challenge’;

Challengeverb

dispute the truth or validity of

‘it is possible to challenge the report's assumptions’;

Challengeverb

object to (a jury member)

‘a certain number of jurors may be challenged’;

Challengeverb

(of a guard) order (someone) to prove their identity

‘the watchman did not challenge him’;

Challengeverb

invite (someone) to engage in a contest

‘he challenged one of my men to a duel’; ‘organizations challenged the government in by-elections’;

Challengeverb

enter into competition with or opposition against.

Challengeverb

make a rival claim to or threaten someone's hold on (a position)

‘they were challenging his leadership’;

Challengeverb

invite (someone) to do or say something that one thinks will be difficult or impossible

‘I challenge the Minister to deny these accusations’;

Challengeverb

make demands on; prove testing to

‘a new way of life that would challenge them’;

Challengeverb

expose (the immune system) to pathogenic organisms or antigens.