sis
noun
Simple meaning
A medically supervised facility providing a hygienic environment in which people can consume illicit recreational drugs intravenously.
Pronunciation
Say it like this:
sisIPA pronunciation (US)
ˈsɪs
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
A medically supervised facility providing a hygienic environment in which people can consume illicit recreational drugs intravenously, to avoid drug problems such as disease and overdose.
A rapid and severe brain swelling caused by a second concussion before the first one has sufficiently healed, resulting in possible death or permanent disability.
A government form of performance-based contracting that moves risk to industry.
education
Initialism of student information system.
informal
A female person who has the same parents as another person
informal
A daughter of the same parents as another person; a female sibling.
Word at a Glance
- Difficulty
- B2 · Upper Intermediate
- Frequency
- Moderately Common
- Typical Use
- Neutral / general English
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: A medically supervised facility providing a hygienic environment in which people can consume illicit recreational drugs intravenously, to avoid drug problems such as disease and overdose.
Used this way, sis is a specialist word with a faintly unfavourable edge. It turns up most in medicine or healthcare contexts.
- Emotional tone
- Slightly negative
- Formality
- Specialist/technical
- Intensity
- Moderate
- How common
- Specialized
- Connotation
- Critical or judgemental
- Usage feel
- Clinical and detached
Where it naturally appears
- Medicine/healthcare
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
Share your sentence
Common Patterns and Combinations
How this word naturally appears with others.
Tap the highlighted word to open its own entry.
Use This Word
See how this word sounds in a real sentence.
Ask Vocabaura
Understand the word your way.
What Does It Mean Here?
Words can change meaning depending on context.
Use it yourself
Knowing “sis” starts when you use it. Pick a next step, all free.
Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.