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

But he promoted the marketing executive at Freixe’s request, catching the attention of other senior managers because of her relative inexperience.

From The Wall Street Journal

In a bid to boost competitiveness, he has said he wants to scrap company dogma and the practice of “not taking decisions because we don’t take decisions.”

From The Wall Street Journal

The retired river-fleet captain joined the class about a year ago and says he likes making miniature lighthouses because they remind him of his former life on the river.

From The Wall Street Journal

Still, the investigations have rattled the corporate world because the financial consequences can be significant.

From The Wall Street Journal

That in turn could lead to higher Treasury yields, because “if you’re adding volatility uncertainty, you should be able to receive more yield,” he said.

From The Wall Street Journal