Collocations for weapon - noun

deadly, lethal, potent, powerful
He was charged with assault with a deadly weapon.

non-lethal
dangerous
effective, useful
heavy, light
The assault forces used heavy weapons, including rockets and mortars.

automatic, semi-automatic
atomic, biological, chemical, nuclear, thermonuclear
assault, offensive, strategic, tactical
She pleaded guilty to carrying an offensive weapon.
a ban on the use of tactical nuclear weapons

loaded
conventional, unconventional
anti-aircraft, anti-tank
precision, precision-guided
concealed
arrested for carrying a concealed weapon

banned, illegal
murder
ultimate (often figurative)
The workers' ultimate weapon was the strike.

secret (often figurative)
The team's secret weapon was their new young defender.

be armed with, carry, have, possess
acquire
states that have acquired nuclear weapons

deploy, fire, use
use sth as (often figurative)
She used wit as a weapon against her enemies.

load
‘Load your weapons!’ Barrett ordered.

aim, point, raise
brandish, wield
draw
The guards began to draw their weapons.

holster (AmE)
drop
Drop your weapons, or he dies!

lower
The armed men lowered their weapons and stepped aside.

build, develop, produce
states developing weapons of mass destruction

stockpile
smuggle

system
technology
the illegal transfer of weapons technology to hostile countries

cache
A massive weapons cache was uncovered.

platform
a sophisticated weapons platform

proliferation
nuclear weapons proliferation

capability
facility
a biological weapons facility

development

weapon against (often figurative)
This relaxation technique can serve as an effective weapon against stress.