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Synonyms

allowable

American  
[uh-lou-uh-buhl] / əˈlaʊ ə bəl /

adjective

  1. that may be allowed; legitimate; permissible.

    an allowable tax deduction.


noun

  1. something, as an action or amount, that is allowed.

  2. Ecology. allowable cut.

allowable British  
/ əˈlaʊəbəl /

adjective

  1. permissible; admissible

"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

Other Word Forms

  • allowableness noun
  • allowably adverb
  • preallowable adjective
  • preallowably adverb
  • unallowable adjective

Etymology

Origin of allowable

First recorded in 1350–1400; Middle English word from Middle French word alouable. See allow, -able

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 EPA's actions on E15 and E10 go into effect on May 1 -- the agency's official start of the summer season -- for 20 days, the maximum allowable under the Clean Air Act.

From Barron's • Mar. 25, 2026

In recent years, Congress has also expanded the list of allowable reasons to take a hardship withdrawal.

From The Wall Street Journal • Mar. 4, 2026

Adding the firing squad in Arizona requires a constitutional amendment because the state’s constitution explicitly describes the sole methods of execution allowable for the state.

From Slate • Feb. 24, 2026

“I don’t understand how they are going to do it. There’s no way to allow people to put money back in. You can’t contribute any more than the allowable amount in any one year.”

From MarketWatch • Jan. 16, 2026

Had it been allowable entertainment, had there been no pain to her friend, or reproach to herself, in the waverings of Harriet’s mind, Emma would have been amused by its variations.

From "Emma" by Jane Austen