[ uh-suhmp-sit ]
/ əˈsʌmp sɪt /

noun Law.

a legal action for a breach of contract or promise not under seal.
an actionable promise.

Origin of assumpsit

1605–15; < Latin: he has taken upon himself, he has undertaken Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for assumpsit

British Dictionary definitions for assumpsit


/ (əˈsʌmpsɪt) /


law (before 1875) an action to recover damages for breach of an express or implied contract or agreement that was not under seal

Word Origin for assumpsit

C17: from Latin, literally: he has undertaken, from assūmere to assume
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