What does ultra-fast mean?
Ultra-fast means Alternative form of ultrafast..
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Pronunciation varies by accent · adjective
Alternative form of ultrafast..
Less important lines of plain double track carrying a mixture of passenger and freight traffic cannot be given ultra-fast expresses, and where alternative routes exist, as for example between London and the West Riding, the specially high-speed trains must be restricted to one of them only.
Use ultra-fast when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ultra-fast means Alternative form of ultrafast..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Less important lines of plain double track carrying a mixture of passenger and freight traffic cannot be given ultra-fast expresses, and where alternative routes exist, as for example between London and the West Riding, the specially high-speed trains must be restricted to one of them only.
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