diligence

1 of 2

noun (1)

dil·​i·​gence ˈdi-lə-jən(t)s 

1

a

: steady, earnest, and energetic effort : devoted and painstaking work and application to accomplish an undertaking : assiduity

showed great diligence in tracking down the story

He had earned universal respect for his integrity, fairness, and diligence.

—John L. Sanders

b

obsolete : speed, haste

Go, hence with diligence!

—Shakespeare

2

law : the attention and care legally expected or required of a person (such as a party to a contract) see also due diligence

diligence

2 of 2

noun (2)

di·​li·​gence ˈdi-lə-ˌzhäⁿs  ˈdi-lə-jən(t)s 

: stagecoach

The railway had driven coach companies out of business …. Once, the journey had taken three days by diligence.

—Graham Robb

Synonyms

Noun (1)

• assiduity
• assiduousness
• industriousness
• industry
• sedulity
• sedulousness

Examples of diligence in a Sentence

Noun (1)

through the diligence and ingenuity of a single detective, the gang's ringleader was finally caught

Recent Examples on the Web

Noun

California officials note that the state has tens of millions of voters, and say delays are due to its diligence in making sure that every valid ballot counts. —Kevin Rector, Los Angeles Times, 3 Apr. 2025

Duty Of Care The duty of care obligates fiduciaries to exercise a high standard of professionalism, prudence, and diligence in managing your finances. —True Tamplin, Forbes.com, 31 Mar. 2025

The deep division is not due to a lack of effort or diligence but rather a sincere adherence to our individual principles and moral convictions. —Daniel R. Depetris, Newsweek, 25 Mar. 2025

But her diligence hasn’t stopped her talented family from giving her their opinion. —Griselda Flores, Billboard, 24 Mar. 2025

Word History

Etymology

Noun (1)

Middle English, from Anglo-French, from Latin diligentia, from diligent-, diligens — see diligent

Noun (2)

French, literally, haste, from Middle French, persevering application

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1a

Noun (2)

1742, in the meaning defined above

Phrases Containing diligence

• due diligence

Kids Definition

diligence

noun

dil·​i·​gence

ˈdil-ə-jən(t)s

: careful and continued work : industry

Legal Definition

diligence

noun

dil·​i·​gence ˈdi-lə-jəns 

: earnest and persistent application of effort especially as required by law

also : care sense 1 see also due diligence