1 B2 informal
To force people or animals out of an enclosed space by filling it with gas or fumes.
"Pest controllers gassed out the rodents that had nested under the floorboards."
separable
gas out
B2 informal separable transitive/intransitive
To force people or creatures out of a place using gas, or to become overwhelmed by gas fumes.
In plain English
To use gas to make people leave a place, or to be overcome by fumes.
What does "gas out" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 B2 informal
To become seriously affected or overwhelmed by toxic fumes or gas.
"Three workers nearly gassed out when the ventilation system failed in the tunnel."
inseparable
Literal vs figurative
Words literally mean
Gas forces something out — the gas expels or overcomes.
Actually means
To use gas to make people leave a place, or to be overcome by fumes.
Usage tip
Used in military, pest control, and industrial safety contexts. Can be transitive ('gas out the enemy') or intransitive ('we nearly gassed out from the fumes'). Also used colloquially for unpleasant smells.
Words that pair with "gas out"
Natural word combinations native speakers use most often.
fumes carbon monoxide troops enemy insects workers
How to conjugate "gas out"
The five tense forms you'll use most often.
Base
gas out
I/you/we/they
3rd person
gases out
he/she/it
Past simple
gased out
yesterday
Past participle
gased out
have + pp
-ing form
gasing out
continuous
Hear "gas out" in the wild
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