What does valveless mean?
Valveless means Having no valves..
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Pronunciation varies by accent · adjective
Having no valves..
Use valveless when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Valveless means Having no valves..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use valveless where its definition matches the intended context.
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