Definitions

1. verb

to make or become lethal; to make something capable of causing death

“The new toxin was designed to lethalize the enemy’s troops.”

2. verb

to cause something to become lethal or deadly

“The radiation leak was said to have lethalized the surrounding area.”

3. verb

to make something extremely hazardous or perilous

“The new policy aims to lethalize the financial markets by limiting speculation.”