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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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.


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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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But instead of helming “Troy,” starring a glistening Brad Pitt as Achilles, Nolan embarked on a genre-shifting Batman trilogy.

From The Wall Street Journal Jul. 20, 2026

While the reasons for the expected choice of Madueke are not known, Saka has been managed through the tournament because of an Achilles tendinitis issue which he has been carrying since March.

From BBC Jul. 11, 2026

It is understood that Saka's ongoing Achilles issue has not deteriorated since the climax of the domestic season.

From BBC Jun. 19, 2026

“His wealth is in one way his Achilles heel in the election,” Grose said.

From Los Angeles Times Jun. 2, 2026

Percy felt like an arrow had slipped through a chink in his armor—as if he still had the blessing of Achilles, and someone had found his weak spot.

From "The Mark of Athena" by Rick Riordan

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