Achievement vs. Challenge — What's the Difference?

A thing done successfully with effort, skill, or courage

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

The process or fact of achieving something

A call to prove or justify something

A representation of a coat of arms with all the adjuncts to which a bearer of arms is entitled.

Exposure of the immune system to pathogenic organisms or antigens

The process of achieving something

Dispute the truth or validity of

Something that has been achieved, especially by means of skill or perseverance

Invite (someone) to engage in a contest

The act of achieving or performing; a successful performance; accomplishment.

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

A great or heroic deed or feat; something accomplished by valor or boldness.

A call to engage in a contest, fight, or competition

(heraldry) An escutcheon or ensign armorial; a full display or depiction of all the heraldic components to which the bearer of a coat of arms is entitled; a funeral shield: the hatchment.

An act or statement of defiance; a call to confrontation

(video games) An award for completing a particular task or meeting an objective in a video game.

A demand for explanation or justification; a calling into question

The lexical aspect (aktionsart) of verbs or predicates that change in an instant.

A sentry's call to an unknown party for proper identification.

(sociology) The successful completion of a socially defined goal or task, highlighting individual or group accomplishment.

A test of one's abilities or resources in a demanding but stimulating undertaking

The act of achieving or performing; an obtaining by exertion; successful performance; accomplishment; as, the achievement of his object.

A claim that a vote is invalid or that a voter is unqualified.

A great or heroic deed; something accomplished by valor, boldness, or praiseworthy exertion; a feat.

A formal objection to the inclusion of a prospective juror in a jury.

An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.

A legal case testing the validity of an action taken, particularly by the government.

The action of accomplishing something

(Immunology) The induction or evaluation of an immune response in an organism by administration of a specific antigen to which it has been sensitized.

To call to engage in a contest, fight, or competition

To invite with defiance; dare

To confront or struggle with (something) as a test of one's abilities

To take exception to; call into question; dispute

To order to halt and be identified, as by a sentry.

To take formal objection to (a prospective juror).

To bring a legal case testing the validity of an action, particularly by the government.

To question the qualifications of (a voter) or the validity of (a vote).

To have due claim to; call for

To summon to action, effort, or use; stimulate

(Immunology) To induce or evaluate an immune response in (an organism) by administering a specific antigen to which it has been sensitized.

To make or give voice to a challenge.

To begin barking upon picking up the scent. Used of hunting dogs.

A confrontation; a dare.

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

A bid to overcome something.

(sports) An attempt to take possession; a tackle.

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

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.

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

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

(legal) A procedure or action.

A judge's interest in the result of a case, constituting grounds for them to not be allowed to sit the case (e.g., a conflict of interest).

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

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

(US) An act of seeking to have a certain person be declared not legally qualified to vote, made when the person offers their ballot.

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

(transitive) To invite (someone) to take part in a competition.

(transitive) To dare (someone).

(transitive) To dispute (something).

To call something into question or dispute.

To make a formal objection to a juror.

(transitive) To be difficult or challenging for.

To claim as due; to demand as a right.

To censure; to blame.

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

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

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

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.

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

A claim or demand.

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

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.

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

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

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

To claim as due; to demand as a right.

To censure; to blame.

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

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

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

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

To assert a right; to claim a place.

A demanding or stimulating situation;

A call to engage in a contest or fight

Questioning a statement and demanding an explanation;

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

A demand by a sentry for a password or identification

Take exception to;

Issue a challenge to;

Ask for identification;

Raise a formal objection in a court of law