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Pronunciation varies by accent · adjective
(military, weaponry) Of a missile or rocket, able to detect and follow the heat emitted by an aircraft engine or rocket..
Use heat-seeking when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heat-seeking means (military, weaponry) Of a missile or rocket, able to detect and follow the heat emitted by an aircraft engine or rocket..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heat-seeking where its definition matches the intended context.
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