: like Achilles (as in strength, invincibility, or moody and resentful wrath)

What is an Achillean?

Achillean (comparative more Achillean, superlative most Achillean) Resembling or relating to Achilles, the hero of the Iliad. quotations ▼ Invincible with only one small weakness (an Achilles heel), which becomes one's downfall.

When was the term Achillean first used?

Late 16th century; earliest use found in William Fulke (d. 1589), theologian and college head.