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Definitions

since

[sins] / sɪns /
ADVERB
in the time past; because
Synonyms
STRONGEST
afterward ago already later therefore
WEAK
after as because considering for from hence now past subsequently whereas
CONJUNCTION
in the time past; because
Synonyms
STRONGEST
afterward ago already later therefore
WEAK
after as because considering for from hence now past subsequently whereas
PREPOSITION
because
Synonyms
WEAK
after all as by reason of considering for forasmuch as in consideration of in view of inasmuch as insomuch as on account of seeing that
PREPOSITION
between the present and a previous time
Synonyms
STRONGEST
ago
WEAK
after following from the time of subsequent to until now
PREPOSITION
in the time past; because
Synonyms
STRONGEST
afterward ago already later therefore
WEAK
after as because considering for from hence now past subsequently whereas

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.

They have slumped 8.6% amid a five-session losing streak, which would be the longest such streak since the six-day stretch that ended Nov. 4, 2025.

From MarketWatch • Apr. 14, 2026

He doesn’t see a way forward for the company since it will be out of funds in 12 months.

From The Wall Street Journal • Apr. 14, 2026

He was at least the 15th Mexican citizen to die in ICE custody or during U.S. immigration enforcement operations since Trump took office, according to the Mexican government.

From Los Angeles Times • Apr. 14, 2026

Lloyd’s List reported that the ship is owned by Shanghai Xuanrun Shipping Company, which has been under sanction from the U.S. since March 2023 due to prior trading with Iran.

From Salon • Apr. 14, 2026

We’ve been coming to the fall fair ever since I can remember, and I don’t think it’s ever been this hot and dry.

From "Red Flags and Butterflies" by Sheryl Azzam