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Definitions

since

[sins] / sɪns /






PREPOSITION
between the present and a previous time
Synonyms


Usage

What are other ways to say since? The conjunctions as and since suggest a reason for an occurrence or action, but they are so casual as to imply merely circumstances attendant on the main statement: As (or since) I was tired, I was sleeping. Because introduces a direct reason: I was sleeping because I was tired. The reason, proof, or justification introduced by for is like an afterthought or a parenthetical statement: I was famished, for I had not eaten all day. The more formal inasmuch as implies concession; the main statement is true in view of the circumstances introduced by this conjunction: Inasmuch as I was tired, it seemed best to sleep.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gameway would go out of business if it relied solely on families since their travel schedules are seasonal, Emma Walbridge told me.

From The Wall Street Journal • Jun. 10, 2026

"The origins and acceleration mechanisms of ultrahigh-energy cosmic rays have been among the biggest mysteries in the field for more than 60 years, since the first example was reported," Murase said.

From Science Daily • Jun. 9, 2026

A 2022 Times review of those reports showed that since 2001, when the veterinarian law went into effect, more than 125 animal injuries were reported.

From Los Angeles Times • Jun. 9, 2026

That is largely because some with low-risk prostate cancer opt instead for active monitoring, rather than immediate treatment, since these cancers are very slow growing and may not cause harm.

From BBC • Jun. 9, 2026

Plus, he takes everyone with him since his ray gun has multi-person mode.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith




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