Since vs. Because: What's the Difference?

Table of Contents
  • Since (adverb)

    From a specified time in the past.

    “I met him last year, but haven’t seen him since.”

  • Since (preposition)

    From: referring to a period of time ending in the present and defining it by the point in time at which it started, or the period in which its starting point occurred.

  • Since (preposition)

    Continuously during that period of time.

    “I have known her since last year.”

  • Because (adverb)

    For the reason that.

  • Because (adverb)

    On account of, for sake of.

    “My life is ruined because of you!”

  • Because (adverb)

    Used alone to refuse to provide a full answer a question begun with “why”, usually taken as an anapodoton of the elided full phrase “Because I said so”.

  • Because (conjunction)

    By or for the cause that; on this account that; for the reason that.

    “I hid myself because I was afraid.”

  • Because (conjunction)

    As is known, inferred, or determined from the fact that.

    “It must be broken, because I pressed the button and nothing happened.”

    “He’s not a nice guy, because he yells at people for no reason.”

  • Because (conjunction)

    So that, in order that. 15th-17th c.

  • Because (preposition)

    On account of, because of. since at least the 20th century

    “I went to the store because hungry.”

Wiktionary

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