To discover, understand, or investigate something or someone through careful observation or intuition.
To find out what someone or something is really like by watching and thinking carefully.
3 meanings, ordered from most common to least. Color-coded by CEFR level.
To discover the truth about a situation, plan, or problem, especially through careful investigation or reasoning.
"It took her a while to suss out why the machine kept breaking down, but eventually she found a loose wire."
To assess and understand a person's character, intentions, or motives through observation.
"I hadn't sussed him out yet — I couldn't tell whether he was genuinely friendly or just after something."
To explore or examine a place, option, or opportunity to see if it is suitable.
"We went down to the venue early to suss it out before booking it for the party."
To suspect something out (i.e., investigate one's suspicions).
To find out what someone or something is really like by watching and thinking carefully.
Primarily British and Australian English; less common in American English. Derived from 'suspect' or 'suspicion.' Can refer to figuring out a person's character, a hidden situation, or a plan. Common in both spoken and written informal English.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "suss out" in real YouTube videos — click a clip to watch it on Looplines.
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