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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.

The cam has followed Jackie and Shadow, who have been mating since 2018, and made the birds worldwide celebrities and regular fixtures of morning TV shows.

From Los Angeles Times • Apr. 5, 2026

The four-person crew will not land on the Moon but will circle it, aiming to set the stage for an eventual human landing for the first time since the 1960s and 70s.

From BBC • Apr. 5, 2026

On top of that, science has advanced so far since the days of Newton that it’s hard for a single inventor to have enough breadth and depth of knowledge to work alone.

From The Wall Street Journal • Apr. 5, 2026

The S&P 500 was up 3.4% and the Nasdaq Composite gained 4.4%—the biggest weekly gains for all three indexes since late November 2025.

From Barron's • Apr. 5, 2026

Nate’s ridiculous word has been wriggling around in my head ever since he said it a couple of weeks ago.

From "Red Flags and Butterflies" by Sheryl Azzam