Dict: strongs - dangerous

Strongs:

G2000 @ ἐπισφαλής episphalēs ep-ee-sfal-ace' From a compound of G1909 and σφάλλω sphallō (to trip); figuratively insecure: - dangerous.

G2342 @ θηρίον thērion thay-ree'-on Diminutive from the same as G2339; a dangerous animal: - (venomous wild) beast.

G5467 @ χαλεπός chalepos khal-ep-os' Perhaps from G5465 through the idea of reducing the strength; difficult that is dangerous or (by implication) furious: - fierce perilous.