Definition of suss in English:

suss

verb

[WITH OBJECT]British
informal
  • Realize; grasp.

    ‘he's sussed it’
    [with clause] ‘she sussed out right away that there was something fishy going on’
    • ‘He immediately susses that something is not quite cool with what Nicole is telling everyone.’
    • ‘After all, how boring would it be if scientists and Doctors had already sussed out what makes the mind tick?’
    understand, comprehend, follow, take in, realize, perceive, see, apprehend, assimilate, absorb, make sense of, master, get to the bottom of, penetrate
    View synonyms

Origin

1930s: abbreviation of suspect, suspicion.

Pronunciation:

suss

/səs/