From Longman Dictionary of Contemporary Englishsusssuss /sʌs/ verb (also suss somebody/something ↔ out) [transitive] British English informalREALIZE to realize or discover something, or to find out the things that you need to know about someone or something He finally sussed out the truth.suss (that) I soon sussed that she wasn’t telling the truth.→ See Verb table
Examples from the Corpus
suss• Jo Saunders, a Re-evaluation Co-counsellor came to suss me out and see whether I was worthy of her efforts.• This does take a bit of sussing out, but once mastered it all makes sense.• It's a really good way to keep an eye on other sprinters and suss out the competition.• So look to the future and suss out the science of beauty.• I could see her checking out every point on the landscape, sussing the locality.• I didn't suss things out for a bit.• It was my mate Graham who helped me suss things out.• She was trying to be ever so casual but I knew she was trying to suss things out.suss (that)• Jo Saunders, a Re-evaluation Co-counsellor came to suss me out and see whether I was worthy of her efforts.• This does take a bit of sussing out, but once mastered it all makes sense.• It's a really good way to keep an eye on other sprinters and suss out the competition.• So look to the future and suss out the science of beauty.• I could see her checking out every point on the landscape, sussing the locality.• I didn't suss things out for a bit.• It was my mate Graham who helped me suss things out.• She was trying to be ever so casual but I knew she was trying to suss things out. 