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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.

The 35-year-old launched Arini Capital with $1.3 billion and a reputation for bold bets in 2022 and has been the fastest-growing new hedge-fund manager since then, according to data-provider Hedge Fund Research.

From The Wall Street Journal • Apr. 4, 2026

Police patrols have been stepped up in areas with large Jewish populations since the attack.

From BBC • Apr. 3, 2026

Sankar noted that since late 2022, ASML’s valuation has declined from a 120% premium against semiconductor equipment peers such as Applied Materials, Lam Research and KLA Corp, to roughly a 20% premium today.

From Barron's • Apr. 3, 2026

“But it was a little insulting at the time, and I’m grateful we have grown so much since then.”

From Los Angeles Times • Apr. 3, 2026

She could just stay in the house—her parents are gone on a weekend getaway to Kansas City and they’d never know—but the rules have been drilled into her since childhood.

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

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.