suss

adjective

1. (Britain, Australia, New Zealand, colloquial) Suspicious.

noun

1. (Britain) Suspicious behaviour; the act of loitering with intent.

2. (Britain) Social nous.

verb

1. (transitive, Britain, obsolete) To arrest for suspicious behaviour.

2. (transitive, Britain, Australia, New Zealand, often with "out") To discover, infer or figure out.

3. (transitive, Britain, Australia, New Zealand) To study or size up, to check out (examine).