Gunpoint is the threat of a gun. Held at gunpoint, robbed at gunpoint, forced at gunpoint.
It appears almost only in the phrase at gunpoint, and it is the standard legal and journalistic way of saying somebody was threatened with a firearm. Figuratively, at gunpoint means with no real choice, as in agreed at gunpoint.
1noungunpointThe threat of a gun.
“The bank clerk was forced at gunpoint to open the safe.”
gunpoint is a threat.
Gun plus point, an American formation of the nineteenth century on the model of at swordpoint.
From gun + point.
Etymology from Wiktionary, CC BY-SA