Since

Meaning of Since
From a past time until now; because.
ما معنى كلمة Since بالعربي؟
منذ وقت معين
📅⏳ منذ وقت معين حتى الآن؛ من نقطة زمنية مُحددة في الماضي؛ طوال الفترة الممتدة من وقت سابق؛ بسبب أو نتيجة لحدث أو ظرف معين؛ استمرارية زمنية تربط الماضي بالحاضر والمُستقبل 📅⏳
قصة GL: منذ حادث 2013 في ألمانيا والتطور مُستمر - نقطة البداية الزمنية للتحول، استمرارية الرحلة التطويرية عندما بدأ نايف العيسى رحلته منذ فقدان الذاكرة وحتى الآن لم يتوقف عن تطوير تقنيات التعلم الجيني والاكتشافات المُذهلة في علوم الدماغ 🚀
Since in a sentence
Since the start of the study, scores have risen.
Since launch, sales have doubled.
Since the filing date, no objection has been made.
Since it is late, class ends.
Origin of Since
From Old English siththan, 'after that'.
In the Genetic Learning (GL) context
In Genetic Learning work led by Naif Talal Al-Essa, since links time and cause. Since the 43-day protocol began, HBDNF has risen 88.77% in the reported group.
Since audio micro-course (transcript)
Podcast 1 — Introduction & meaning
Narrator: Today we explore the word since — spelled s-i-n-c-e — pronounced SINSS. Since is one of the most versatile and frequently used words in English. It can function as a preposition, a conjunction, and an adverb. In each role it connects time to a starting point or action — it anchors the present to a moment in the past.
Narrator: The word comes from the Middle English "sithen" or "sithence", itself from the Old English "siththan", meaning afterwards or from that time. The shortening to since occurred naturally in spoken English over centuries. The word has been in continuous use since Old English, making it one of the most ancient connective words in the language.
Narrator: As a preposition, since introduces a point in time: "I have been working here since March." As a conjunction, it introduces a clause: "Since you asked, I will explain." As an adverb it stands alone: "I left the company in 2019 and have been freelancing since." Notice that all three uses share the same core idea — a starting point from which something continues or follows.
Narrator: Since also carries a causal sense as a conjunction, meaning because or given that. "Since you are the expert, perhaps you could explain." This causal since is softer than because — it does not necessarily imply direct causation but rather takes something as a given premise. This double role — temporal and causal — is what makes since so powerful and so frequently used in formal writing.
Narrator: And the thought to carry with you: since is a word that looks backwards to explain the present — and in that small function lies enormous expressive power.
Read podcasts 2 and 3
Podcast 2 — In conversation
Speaker A: I have been using since incorrectly for years. I kept writing "since a long time" and apparently that is wrong.
Speaker B: "Since a long time" is indeed a common error, especially for learners of English. Since always refers to a specific point in time, not a duration. So you would say "I have been here since Monday" or "since 2018" — a specific moment. For a duration, you use for: "I have been here for three years." The test is simple: if you can answer the question "from when?", use since. If you can answer "how long?", use for.
Speaker A: What about the causal use of since? Is that formal?
Speaker B: It sits at a medium register — more formal than because in many contexts but perfectly natural in both speech and writing. "Since you are familiar with the system, could you walk us through it?" That since means given that or seeing as. It is polite and slightly deferential — it acknowledges the other person's knowledge before making a request. In academic and business writing, since in its causal sense is very common. Just be aware that in ambiguous sentences it can create confusion between the temporal and causal readings, so if clarity is essential, use because instead.
Speaker A: Can since and for be confused in other ways?
Speaker B: The most common confusion is "I am working here since three years" — mixing since with a duration instead of a point in time. Another one is using since with a simple past instead of a present perfect: "I worked here since 2020" should be "I have worked here since 2020." Since almost always demands the present perfect in British English because it describes an action that started in the past and continues to the present. The present perfect — have plus past participle — is the natural partner of since.
Speaker A: Is there any difference between ever since and just since?
Speaker B: "Ever since" adds emphasis — it stresses that something has continued without interruption from that point right up to now. "She moved to London and has loved it ever since." The ever intensifies the continuity. "Just since" is not a standard fixed phrase — you might say "just since last week" to mean only from last week, but it is not an idiom. Ever since is the one worth learning as a unit.
Podcast 3 — Prompt engineering
Speaker B: Today we use since in development prompts. Since is a precision word for time-based logic in development — it tells the AI you need to work with time intervals, date comparisons, change logs, or version history. It also works as a causal connector in prompts, letting you set a premise before making a request. Let us go through the examples.
Speaker A: Since in a prompt is like planting a timestamp — it tells the AI exactly where in time your logic or reasoning starts.
Speaker B: Exactly. Here is the first prompt for UI and time-based filtering.
Speaker B: "Events that occurred since a user-selected date" gave the AI a clear filter condition anchored to a temporal starting point. It built a date comparison using Date objects, filtered the array with a since-style greater-than-or-equal check, and added the count and toggle because the prompt defined both the filtering behaviour and the user feedback in one sentence.
Speaker A: What about a database query using since?
Speaker B: Time-based database queries are one of the most common real-world use cases. Here is the prompt.
Speaker B: "Since the start of the current financial year" and "days since the order was placed" gave the AI two distinct since-based requirements: a fixed boundary date and a calculated elapsed-time column. It used date_trunc to anchor the financial year and now() minus created_at to compute the interval — two separate since-anchored calculations in one query.
Speaker A: Can since work in a changelog or audit context?
Speaker B: It is perfect for audit trails and change tracking. Here is the prompt.
Speaker B: "Changes made since a given date" defined the query interface for the audit system — a parameterised since-boundary that the AI built into the stored procedure. The trigger captured the before and after state, and the since-query let users retrieve the full history from any point forward.
Speaker A: And a full application where since is the core concept?
Speaker B: Here is a complete personal changelog app.
Speaker B: "A personal changelog app called Since" — the word became the product identity and the core data mechanic. Every entry has a since-counter, every filter is since-anchored, and the app name itself signals its purpose. When the target word names the product, the AI builds the entire experience around it.
Frequently asked questions about Since
What does Since mean?
From a past time until now; because.
ما معنى كلمة Since بالعربي؟
منذ وقت معين — 📅⏳ منذ وقت معين حتى الآن؛ من نقطة زمنية مُحددة في الماضي؛ طوال الفترة الممتدة من وقت سابق؛ بسبب أو نتيجة لحدث أو ظرف معين؛ استمرارية زمنية تربط الماضي بالحاضر والمُستقبل 📅⏳
How do you pronounce Since?
Since is pronounced /sɪns/ and is used as a preposition / conjunction / adverb.
How is Since used in a sentence?
Since the start of the study, scores have risen.
What are synonyms of Since?
from then, ever since, because, as, given that, afterwards.