suss out

verb

To come to understand (a person).

“We've sussed out how to open the lock.”

Meanings

verbsuss out (third-person singular simple present susses out, present participle sussing out, simple past and past participle sussed out)

present singular third person susses out · participle present sussing out · participle past sussed out · past sussed out

  1. colloquialtransitiveTo come to understand (a person).

    We've sussed him out—he only drinks on Fridays and only in that bar in town.

    1 more example

    In essence, security experts most familiar with this breach believe that a nation-state — likely China or Russia — stole the data in order to suss out current spies and pick out potential targets they could recruit as spies.

    2019 March 19, Mike McKee, “The Case of the Missing Data”, in Dark Reading, archived from the original on 20 Aug 2022
  2. colloquialtransitiveTo manage to work (something) out, to discover or determine (something).

    We've sussed out how to open the lock.

    2 more examples

    You sussed it out, didn't you?

    1997, “Hunter”, in Homogenic, performed by Björk

    As far as electric cars are concerned, motorists have sussed out that they do not make particularly good financial sense, even with a $7,500 handout from the federal government.

    2012 April 20, “Electric cars: Difference Engine: Tailpipe truths”, in The Economist, archived from the original on 13 Dec 2024

Synonyms & antonyms

verbexamine so as to determine accuracy, quality, or condition

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Translations

French piger, capter
  • pigerto work out, to determine (something)
  • capterto work out, to determine (something)
German auskundschaften, herausfinden
  • auskundschaftento work out, to determine (something)
  • herausfindento work out, to determine (something)
Hungarian kiismer, kiderít
  • kiismerto come to understand (a person)
  • kiderítto work out, to determine (something)
  • kiszimatolto work out, to determine (something)
  • kipuhatolto work out, to determine (something)
Italian stabilire, ravvisare
  • stabilireto work out, to determine (something)
  • ravvisareto work out, to determine (something)
  • intuireto work out, to determine (something)
  • capireto work out, to determine (something)
  • intravvedereto work out, to determine (something)
  • scoprireto work out, to determine (something)
  • sgamareto work out, to determine (something)
  • smascherareto work out, to determine (something)
Russian разузна́ть, раскуси́ть
  • разузна́ть (razuznátʹ)to work out, to determine (something)
  • раскуси́ть (raskusítʹ)to work out, to determine (something)
Spanish calar, conocerle el bacalao
  • calarto come to understand (a person)
  • conocerle el bacalaoto come to understand (a person)
  • pisparto come to understand (a person)
  • entreverto come to understand (a person)
Cite this entry
APA

suss out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/suss%20out

MLA

“suss out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/suss%20out. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “suss out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/suss%20out.

Source: suss out on Wiktionary, CC BY-SA 4.0.