allegation

noun

al·​le·​ga·​tion ˌa-li-ˈgā-shən 

1

: the act of alleging something

2

: a positive assertion especially of misconduct

Some former colleagues have made serious allegations against him.

specifically : a statement by a party to a legal action of what the party undertakes to prove

3

: an assertion unsupported and by implication regarded as unsupportable

Examples of allegation in a Sentence

The police are investigating allegations that the mayor has accepted bribes.

There have been allegations of fraud in the city government.

You're making a serious allegation. Do you have any proof?

Recent Examples on the Web

Cleveland Guardians closer Emmanuel Clase faced additional allegations of rigging pitches to benefit bettors in a new document filed on Thursday. —Ryan Gaydos, FOXNews.com, 6 Feb. 2026

Since being charged, Johnson has denied the allegations against him. —Adrienne Davis, jsonline.com, 5 Feb. 2026

As OpenAI prepares for a potential fourth-quarter IPO and fights Elon Musk’s xAI over allegations of stealing trade secrets, CEO Sam Altman has his hands full. —Jacqueline Munis, Fortune, 5 Feb. 2026

His case got some media attention at the time, and the scrutiny on him ramped up in 2015, after victims began providing more details about their allegations in court records. —David Ingram, NBC news, 5 Feb. 2026

Word History

Etymology

Middle English allegacion "formal declaration in court, argument offered as proof," borrowed from Anglo-French, borrowed from Latin allēgātiōn-, allēgātiō "representation on behalf of another, charge," from allēgāre "to adduce in support of a plea" + -tiōn-, -tiō, suffix of verbal action — more at allege

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for allegation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

allegation

noun

al·​le·​ga·​tion ˌal-i-ˈgā-shən 

1

: the act of alleging

2

: something alleged

especially : a statement not supported by proof or evidence

allegations of criminal involvement

Legal Definition

allegation

noun

al·​le·​ga·​tion ˌa-lə-ˈgā-shən 

1

: the act of alleging

2

a

: a statement not yet proven

allegations in an affidavit

b

: a statement by a party to a lawsuit of what the party will attempt to prove : averment compare accusation, indictment, information, proof