Achilles

American  

[uh-kil-eez] / əˈkɪl iz /

noun

Classical Mythology.

1. the greatest Greek warrior in the Trojan War and hero of Homer's Iliad. He killed Hector and was killed when Paris wounded him in the heel, his one vulnerable spot, with an arrow.

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Achilles British  

/ ˌækɪˈliːən, əˈkɪliːz /

noun

1. Greek myth Greek hero, the son of Peleus and the sea goddess Thetis: in the Iliad the foremost of the Greek warriors at the siege of Troy. While he was a baby his mother plunged him into the river Styx making his body invulnerable except for the heel by which she held him. After slaying Hector, he was killed by Paris who wounded him in the heel

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Achilles Cultural  

1. In classical mythology, the greatest warrior on the Greek side in the Trojan War (see also Trojan War). When he was an infant, his mother tried to make him immortal by bathing him in a magical river, but the heel by which she held him remained vulnerable. During the Trojan War, he quarreled with the commander, Agamemnon, and in anger sulked in his tent. Eventually Achilles emerged to fight and killed the Trojan hero Hector, but he was wounded in the heel by an arrow and died shortly thereafter.

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Discover More

Achilles is the hero of Homer's Iliad.

People speak of an “Achilles' heel” as the one weak or sore point in a person's character.

The phrase “wrath of Achilles” refers to the hero's anger, which caused so much destruction that Homer refers to it as his main theme in the first line of the Iliad.

The Achilles tendon runs from the heel to the calf.

Other Word Forms

• Achillean
  adjective

Example Sentences

A lingering Achilles tendon injury has led Tuchel to manage his minutes carefully, but he is first choice.

From BBC • Jun. 11, 2026

Achilles recently implemented the 5-by-8 cut for one of this year’s breakout hits, “Lost Lambs” by Madeline Cash.

From Los Angeles Times • May 27, 2026

The 30-year-old was forced off with a groin injury in Brussels, before damaging his Achilles after returning to Burnley, ruling him out of the entire 2025-26 season.

From BBC • May 26, 2026

But after undergoing surgery within 16 hours of tearing his Achilles, he recovered in record time to lead another championship chase.

From The Wall Street Journal • Apr. 23, 2026

His weak spot—his Achilles heel—had saved us all.

From "The Last Olympian" by Rick Riordan