We won the battle by disarming our enemies.

He's a great debater who enjoys disarming the arguments made by his opponents.

The professionals on the bomb squad had no trouble disarming the explosives devices.

He pulled off the burgulary by somehow disarming the alarm system.

Disarming can be used as a noun (gerund), a verb, or an adjective.

-- Noun

"Disarming the enemy prisoners was a dangerous operation."

--Verb

"He was very nervous as he was disarming the bomb."

-- Adjective

(used metaphorically to mean taking one off guard, or putting at ease)

"He can be very disarming when he wants to be."