because

The child smiles because she found her lost toy.

Definition

1. Conjunction:
   • For the reason that: "because" introduces a clause that explains the cause or reason for the action or state expressed in the main clause.
   • Due to the fact that: A more formal equivalent, often used in logical or explanatory contexts.

Usage Examples

• Conjunction:
  • She stayed home because she was feeling ill. (The reason for staying home is illness.)
  • I bought the book because it was on sale. (The reason for the purchase is the discounted price.)

Advanced Usage

• "because of": A compound preposition meaning "on account of" or "as a result of", followed by a noun phrase (not a clause).

  • The game was cancelled because of the rain. (The cancellation was due to rain.)
  • He succeeded because of his hard work. (His success resulted from hard work.)

• "just because": Used to emphasize a reason, often in informal speech, or to dismiss a question.

  • I did it just because I wanted to. (I had no other reason; it was purely personal desire.)
  • Just because you’re older doesn’t mean you’re always right. (The fact of being older does not automatically justify correctness.)

• "because" at the start of a sentence: In formal writing, avoid starting a sentence with "because" unless the clause is followed by a main clause. However, in informal and modern usage, it is acceptable for emphasis.

  • Because it was raining, we stayed indoors. (Formal: the because-clause is a dependent clause.)
  • Why did you leave? Because I was tired. (Informal: the because-clause stands alone as a response.)

Variants and Related Words

• Because (no direct variants as a word; "cause" is a colloquial contraction)

  • 'Cause (informal, often written as "cuz" or "cos"): a shortened form of "because".

    • I left early 'cause I had a headache. (Informal reason.)

• Reason (n): a cause, explanation, or justification for an action or event.

  • The reason for his absence was illness. (The cause of the absence.)

Synonyms

• Since: used to introduce a reason, often implying a known or obvious fact.
  • Since you’re here, we can start the meeting. (Because you are present.)
• As: used to introduce a reason, often in more formal or explanatory contexts.
  • As it was late, we decided to go home. (Because it was late.)
• For (formal/literary): used to introduce a reason, often in poetic or archaic English.
  • He wept, for he had no other choice. (Because he had no alternative.)

Phrasal Verbs (None directly applicable)

• No phrasal verbs are formed with "because" itself; it is a conjunction, not a verb.

Related Idioms

• "Because I said so": An authoritative statement used by parents or superiors to end a discussion, implying that no further reason is needed.
  • Why do I have to clean my room? Because I said so. (The reason is simply the speaker's authority.)
• "Because of you": A phrase attributing a situation or outcome directly to someone’s actions.
  • Because of you, we missed the train. (You are the cause of the missed train.)