Trojan

1 of 2

noun

Tro·​jan ˈtrō-jən 

1

: a native or inhabitant of Troy

2

: one who shows qualities (such as pluck, endurance, or determined energy) attributed to the defenders of ancient Troy

3

: a merry and often irresponsible or disreputable companion

Trojan

2 of 2

adjective

1

: of, relating to, or resembling ancient Troy or its inhabitants

2

: of, relating to, or constituting a Trojan horse

Examples of Trojan in a Sentence

Recent Examples on the Web

Noun

Sure enough, the seemingly eternally brave Achilles was killed by an arrow to his heel during the Trojan War. —Steve Henson, Los Angeles Times, 23 June 2025

Beyond this, the episode had one big action set-piece when Bruegel brings a Trojan Horse into Negan’s banquet hall. —Erik Kain, Forbes.com, 22 June 2025

First detected in early 2025, this Android banking Trojan takes over your contact list to make its scams look more legitimate and harder to spot. —Kurt Knutsson, FOXNews.com, 19 June 2025

Writing a new Trojan, bot, or ransomware app isn’t a task for beginning coders. —PC Magazine, 17 June 2025

Word History

Etymology

Noun

Middle English, from Latin trojanus of Troy, from Troia, Troja Troy, from Greek Trōïa

First Known Use

Noun

14th century, in the meaning defined at sense 1

Adjective

14th century, in the meaning defined at sense 1

Phrases Containing Trojan

• Trojan horse
• Trojan War
• work like a Trojan

Kids Definition

Trojan

noun

Tro·​jan

ˈtrō-jən

: a person born or living in ancient Troy

Trojan adjective