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Pronunciation varies by accent · noun
A telephone line that provides assistance for people whose need is not urgent..
Use warm line when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Warm line means A telephone line that provides assistance for people whose need is not urgent..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use warm line where its definition matches the intended context.
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