dilute

1 of 2

verb

di·​lute dī-ˈlüt 

də-

diluted; diluting

transitive verb

1

: attenuate

dilute the power of the mayoralty

diluting the quality of the finished product

2

: to make thinner or more liquid by admixture

diluted the bleach with water

diluting juice with water

3

: to diminish the strength, flavor, or brilliance of (something) by or as if by admixture

dilute a color

But spreading the light out also dilutes it …

—Michael Zeilik and John Gaustad

4

: to decrease the per share value of (common stock) by increasing the total number of shares

diluter noun

or dilutor

dī-ˈlü-tər 

də-

dilutive

dī-ˈlü-tiv 

də-

adjective

dilute

2 of 2

adjective

: weak, diluted

a dilute acid solution

diluteness noun

Synonyms

Verb

• pollute
• cut
• weaken
• load
• poison
• infect
• adulterate
• dirty
• thin
• manipulate
• spoil
• extend
• taint
• water down
• contaminate

Adjective

• diluted
• thin
• thinned

Examples of dilute in a Sentence

Verb

You can dilute the medicine with water.

The hiring of the new CEO diluted the power of the company's president.

diluting the quality of our products

Adjective

a dilute solution of acid

a dilute acid that's safe to handle in the classroom

Recent Examples on the Web

Verb

Through his testimony and memories, the filmmakers add a poignant note about the grandeur and unique appeal that cinema held decades ago — a status that has since been diluted with the proliferation of other entertainment media. —Murtada Elfadl, Variety, 7 Sep. 2025

Addressing supporters Saturday in the heart of his district, Kansas City’s longtime Democratic congressman and former mayor denounced Missouri lawmakers’ plan to dilute the city’s voting power by carving it up into three Republican congressional districts. —Matthew Kelly, Kansas City Star, 6 Sep. 2025

Adjective

For example, Wilson’s team is exploring whether dilute acids speed up weathering. —Robert F. Service, Science | AAAS, 3 Sep. 2020

The company reported a net loss during the first quarter of $3.9 million, or 11 cents diluted loss per share, compared to a net income of $4.3 million, or 12 cents dilute earnings per share over the same period last year. —Paul Takahashi, Houston Chronicle, 5 June 2018

Word History

Etymology

Verb

borrowed from Latin dīlūtus, past participle of dīluere "to wash away, dissolve, make thinner by mixing with water," from dis- dis- + lavere "to wash" — more at lye

Adjective

borrowed from Latin dīlūtus, past participle of dīluere "to wash away, dissolve, make thinner by mixing with water" — more at dilute entry 1

First Known Use

Verb

circa 1575, in the meaning defined at sense 1

Adjective

1605, in the meaning defined above

Rhymes for dilute

• acute
• aleut
• astute
• beetroot
• breadfruit
• cheroot
• commute
• compute
• confute
• dispute
• elute
• grapefruit

Kids Definition

dilute

1 of 2 verb

di·​lute dī-ˈlüt 

də-

diluted; diluting

: to make thinner or more liquid by adding in and mixing something

added water to dilute the punch

dilute

2 of 2 adjective

: lacking normal strength especially as a result of being diluted

Medical Definition

dilute

1 of 2 transitive verb

di·​lute dī-ˈlüt, də- 

diluted; diluting

: to make thinner or more liquid by admixture

diluter noun

also dilutor

-ər 

dilute

2 of 2 adjective

: of relatively low strength or concentration

a dilute solution

Legal Definition

dilute

transitive verb

di·​lute dī-ˈlüt, də- 

diluted; diluting

: to cause dilution of