Dictionary.com
Thesaurus.com
Synonyms

subtract

American  
[suhb-trakt] / səbˈtrækt /

verb (used with object)

  1. to withdraw or take away, as a part from a whole.

    Antonyms:
    add
  2. Mathematics. to take (one number or quantity) from another; deduct.

    Antonyms:
    add

verb (used without object)

  1. to take away something or a part, as from a whole.

    Antonyms:
    add
subtract British  
/ səbˈtrækt /

verb

  1. to calculate the difference between (two numbers or quantities) by subtraction

  2. to remove (a part of a thing, quantity, etc) from the whole

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does subtract mean? Subtract means to take something away, usually as in taking a piece out of a whole.In math, subtract means to perform subtraction, the operation in which you find difference between two numbers or quantities.You can subtract one thing from another, as in We need to subtract the cost of labor from our total profits.You can also subtract something without mentioning what you’re subtracting it from, as in If you subtract the busy traffic, my day wasn’t that bad. In other words, when you consider everything in my day, except for the traffic it wasn’t a bad day.For the most part, subtract usually refers to taking a small piece away from a bigger whole. However, subtracting can potentially result in negative amounts or debts when you’re subtracting numbers.When you first learned subtraction, your teacher might have said that when we subtract, we are “taking away” one number from another. For example, if you subtract 3 from 5, you take away 3 from 5, which leaves you with 2.Example: I need to remember to subtract my electric bill from my monthly budget.

Related Words

Subtract, deduct express diminution in sum or quantity. To subtract suggests taking a part from a whole or a smaller from a larger: to subtract the tax from one's salary. To deduct is to take away an amount or quantity from an aggregate or total so as to lessen or lower it: to deduct a discount. Subtract is both transitive and intransitive, and has general or figurative uses; deduct is always transitive and usually concrete and practical in application.

Other Word Forms

  • subtracter noun
  • unsubtracted adjective

Etymology

Origin of subtract

First recorded in 1530–40; from Latin subtractus (past participle of subtrahere “to draw away from underneath”), equivalent to sub- sub- + trac- (past participle stem of trahere “to draw”) + -tus past participle suffix

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The numbers come from very different sources: ADP’s data draws on the company’s internal figures on how many roles its huge pool of business customers are adding or subtracting.

From The Wall Street Journal

The NAV represents the fair value of the underlying assets, calculated by subtracting the fund’s liabilities from its total assets and dividing the remainder by the number of outstanding shares.

From MarketWatch

These so-called affiliated investments now amount to an average 76% of surplus, the cushion left over after liabilities are subtracted from assets, A.M.

From The Wall Street Journal

Papic, chief geopolitical and macro strategist at BCA Research, calculates that from Iran’s pain threshold must be subtracted the scale and intensity of punitive U.S. bombing raids, combined with the rest of the world’s response.

From MarketWatch

This year, individuals can use the deduction to subtract $16,100 from their taxable income; for married couples, it’s $32,200.

From MarketWatch