sus
highslang, informal, internet/gaming culture
Definition
Meaning
A shortened, informal form of 'suspicious' or 'suspect'.
Describes something or someone arousing distrust, questionable, or not trustworthy. Also used as a verb meaning to suspect someone. Particularly prominent in gaming/internet culture (e.g., 'Among Us') to mean seeming like an imposter or traitor.
Linguistics
Semantic Notes
Originally slang from police/criminal contexts ('suss out', 'suspicious person'), massively popularized globally by the game 'Among Us' (2020). Can describe an action, person, object, or situation.
Dialectal Variation
British vs American Usage
Differences
UK usage historically stronger with verb 'to suss (out)' meaning to figure out or investigate. The adjective 'sus' as short for 'suspicious' is now common in both due to global internet culture.
Connotations
In the UK, 'sus' can recall historical 'sus laws' (stop and search), adding a slight socio-legal connotation. In the US, primarily driven by youth/gaming slang without that specific historical weight.
Frequency
Currently extremely high frequency in online/informal contexts for both regions, especially among younger speakers. Slightly more established as a historical verb in UK informal speech.
Vocabulary
Collocations
Grammar
Valency Patterns
That's [so/very/incredibly] sus.He's being [a bit/kinda] sus.I sus him of cheating.The whole situation seems sus.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “That's sus.”
- “Throw sus on someone (gaming).”
- “Suss someone/something out (UK informal).”
Usage
Context Usage
Business
Highly unlikely except in extremely informal internal chats among younger employees.
Academic
Not used in formal writing. May appear in sociolinguistic papers discussing modern slang.
Everyday
Very common in spoken informal English, especially among teens and young adults, and in online communication.
Technical
Used as specific jargon in gaming communities (e.g., 'He's the sus', 'Vote the sus out').
Examples
By Part of Speech
verb
British English
- I sussed him out straight away.
- Can you suss how this works?
American English
- I totally sus him as the liar.
- They sus the new guy of being the leak.
adverb
British English
- He was behaving sus, so we kept an eye on him. (informal/colloquial)
American English
- She looked at me sus when I said that. (informal/colloquial)
adjective
British English
- His story sounds a bit sus.
- That's a sus website, don't click the link.
American English
- Red is acting super sus right now.
- The whole email looked sus, so I deleted it.
Examples
By CEFR Level
- He is sus.
- Don't trust him, he is sus.
- Your friend is acting sus today.
- I think the message is sus, don't reply.
- The data from that source seems kinda sus, so let's verify it.
- Everyone began to sus the quietest player in the game.
- The politician's sudden wealth is incredibly sus, prompting calls for an investigation.
- Their alibi was sussed out by the detectives within hours.
Learning
Memory Aids
Mnemonic
Think of 'SUSpicious' and just take the first three letters. Or remember the game 'Among Us' where crewmates shout 'RED IS SUS!'
Conceptual Metaphor
TRUSTWORTHINESS IS VISIBILITY/CLARITY (something 'sus' is opaque, hidden, unclear).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating directly as 'подозрительный' in formal contexts—it's slang. Do not confuse with the Russian 'сус' (a type of brewing wort).
Common Mistakes
- Using 'sus' in formal writing.
- Spelling as 'suss' when using as adjective (both occur, but 'sus' is more common for the adjective).
- Overusing outside of appropriate informal contexts.
Practice
Quiz
In which context would the word 'sus' be INAPPROPRIATE?
FAQ
Frequently Asked Questions
It is recognized as an informal slang word in modern dictionaries, stemming from a clipping of 'suspicious' or 'suspect'. Its usage is widespread, especially online.
While it existed in UK and police slang, its global, massive popularity exploded in 2020 due to the online multiplayer game 'Among Us', where players accuse each other of being 'sus' (the imposter).
Yes, especially in online/gaming contexts (e.g., 'I sus him'). In UK English, the related verb 'suss (out)' has been common informal usage for longer.
No. 'Sus' is informal slang. In professional communication, use standard terms like 'suspicious', 'questionable', or 'unreliable'.