We found one dictionary that defines the word lethal agents:

General (1 matching dictionary)

1. lethal agents: Vocabulary.com

(Note: See lethal_agent as well.)

Definitions from WordNet (lethal agent) ▸ noun:  an agent capable of causing death ▸ Also see lethal_agent ▸ Words similar to lethal agents ▸ Usage examples for lethal agents ▸ Idioms related to lethal agents ▸ Wikipedia articles (New!) ▸ Words that often appear near lethal agents ▸ Rhymes of lethal agents ▸ Invented words related to lethal agents