Definitions:

1. A homemade bomb that is used in ways other than in conventional military action. NOUN
   • The soldiers were killed by a roadside IED.
2. Abbreviation for Improvised Explosive Device: a type of bomb made and used by people who are not members of and official army. NOUN
   • Their truck was blown up by an IED.

Synonyms:

• explosive device
• gasoline bomb
• improvised explosive device
• molotov cocktail
• petrol bomb