To make (a quantity) smaller.
The definition of add means to join or bring together for the purpose of increasing in number or importance or to change the effect.
To take away a desirable part:
To refrain from giving or granting:
(Music) To reduce (a perfect or minor interval) by a semitone.
To lend money upon, deducting the discount or allowance for interest; as, the banks discount notes and bills of exchange.
(Intransitive) To decrease in intensity or force; to subside. [First attested from around (1150 to 1350).]
To give back (part of an amount paid)
To cause to become greater in size, amount, degree, etc.; add to; augment
Find another word for subtract. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for subtract, like: take away, decrease, minus, remove, add, take, knock off, take off, deduct, withhold and diminish.