ἐμπληξία

A. amazement: hence, stupidity, Aeschin. 3.214, Aristid. 1.413,427 J., Gal. 8.690; ἐ. ἡ ἄλογος φιλανθρωπία App. Sam. 4.4.
2. πολιτείας ἐ. capriciousness of policy, Aeschin. 2.164.
3. frantic energy, Plu. 2.56c.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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