because

American  

[bih-kawz, -koz, -kuhz] / bɪˈkɔz, -ˈkɒz, -ˈkʌz /

conjunction

1. for the reason that; due to the fact that.

   The boy was absent because he was ill.

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preposition

1. Informal. (used directly before a noun, adjective, verb, interjection, etc., to convey a very concise rationale, excuse, or explanation).

   We’re a little like monkeys because evolution.

   He doesn’t practice enough: because lazy.

   I love doughnuts because yum!

idioms

1. because of, by reason of; due to.

   Schools were closed because of heavy snowfall.

because British  

/ -ˈkəz, bɪˈkɒz /

conjunction

1. (subordinating) on account of the fact that; on account of being; since

   because it's so cold we'll go home

2. (preposition) on account of

   I lost my job because of her

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Usage

See reason.

Etymology

Origin of because

First recorded in 1275–1325; Middle English bi cause; by ( def. ), cause ( def. )

Example Sentences

Peace may not be an option, because their prison guard is former Bowser captive Lumalee.

From Los Angeles Times

"We've lost that ability to bring them in because, as I said, digital is forever."

From BBC

Since then, I see him around all the time because Derek is absolutely everywhere - at every show and every event.

From BBC

It's hard to go out on a loss because you want to end your career on a high, but then once you do end on a high, you think, 'well, if I did that, maybe I can do one more'.

From BBC

Beijing will likely have decided to play the role of peacemaker because the war in Iran jeopardises something Xi covets: stability.

From BBC