Suspicious; giving off the feeling something isn't right.
If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Sus&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.
This one-dimensional aspect of the SUS is both a benefit and a drawback because the questionnaire is necessarily quite general.
Suspicious; giving off the feeling something isn't right. "He's acting sus" = something's off. Can target a person, a story, or a plan. Lives somewhere between vague paranoia and actual evidence — usually the vibe tells you before the facts do.
"He's been acting sus since his phone started blowing up at 2 AM."
sus means Suspicious; giving off the feeling something isn't right. It's mostly used on TikTok and short-form video. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.
sus means Suspicious; giving off the feeling something isn't right. It's mostly used on TikTok and short-form video. It's casual and generally safe with friends and online. It's standard online vocabulary; nothing inherently concerning about hearing it.
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
Add your own interpretation of "sus".
Head-to-head pages explaining the difference.
The words defining how Gen Z and TikTok talk right now — from rizz and aura to skibidi, delulu, and the ick. Updated as fast as the trends move.
See all Gen Z & TikTok slang on Slangora.
Browse all slang words starting with S.
Sus coded describes someone or something that radiates suspicion as a core aesthetic or personality trait — not one shady act, but a whole vibe that reads sketchy by default. The '-coded' suffix, borrowed from identity discourse, signals that sus isn't something they're doing but something they fundamentally are. Sus coded is often used with affection or humor about fictional characters, public figures, or friends who can't help giving off untrustworthy energy even when they're doing nothing wrong. It's a diagnosis, not an accusation.
Sus szn — short for sus season — names a collective cultural moment when everyone around you suddenly seems untrustworthy, sketchy, or weirdly off. It's not one person doing something shady; it's the whole vibe curdling at once. Sus szn might hit around school drama cycles, after group chat leaks, or during a particular stretch of situationship chaos. The 'szn' suffix borrows from sports culture to frame a temporary period of heightened sus energy, implying it will eventually pass.
A bih whose motives, loyalty, or behavior pattern triggers suspicion — someone you keep in your orbit but watch carefully because something about their energy doesn't fully add up. The sus bih might be two-facing, might be moving messy behind the scenes, or might just have an energy that keeps setting off alarms without the concrete evidence to explain why. Group chats are often the natural habitat for discussing the sus bih: 'something is OFF with her.'
If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Sus&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.
"sus" is slang. It means: Suspicious; giving off the feeling something isn't right. Register: casual. Use it in: casual conversation and online posts. Avoid in: formal writing and professional emails. A more formal way to say this is "suspicious".
“If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Sus&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.”
“This one-dimensional aspect of the SUS is both a benefit and a drawback because the questionnaire is necessarily quite general.”
“If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Sus&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.”
“This one-dimensional aspect of the SUS is both a benefit and a drawback because the questionnaire is necessarily quite general.”
"Sus" has gradations: slightly sus (something's off), lowkey sus (suspicious but you want to believe), mad sus (actively suspicious), bro sus (the homoerotic-misstep flavor used as gentle teasing).
"He memorized her coffee order on day one. Little sus, bro."
Pre-Among Us: "sus" was used as British slang for "suspicious" since the 1930s. Long history before the 2020 viral revival.
"Stopped and searched under the sus law."