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inasmuch as

[in-uh z-muhch uh z, az]
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conjunction
  1. in view of the fact that; seeing that; since.
  2. insofar as; to such a degree as.

Origin of inasmuch as

1250–1300; Middle English in as much(e) as

Synonym study

1. See because.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for inasmuch as

inasmuch as

conjunction (subordinating)
  1. in view of the fact that; seeing that; since
  2. to the extent or degree that; in so far as
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

Idioms and Phrases with inasmuch as

inasmuch as

Also, insomuch as.

1

Since, because of the fact that, as in Inasmuch as I have to go anyhow, I'll pick up the book for you, or Insomuch as they are friends, we can seat them together. The first usage dates from the late 1300s, the second from the late 1400s.

2

Also, insofar as. To the extent or degree that, as in You will become a good pianist only inasmuch as you keep practicing, or He's lost interest insomuch as he has stopped attending church altogether, or Insofar as this is a temporary measure, we can't complain. [Late 1500s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.