American English

Definition of constant adjective from the Oxford Advanced American Dictionary



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  1. 1[usually before noun] happening all the time or repeatedly constant interruptions a constant stream of visitors all day Babies need constant attention. This entrance is in constant use.
  2. 2that does not change synonym fixed traveling at a constant speed of 50 mph Ross was his most constant and loyal friend.
See the Oxford Advanced Learner's Dictionary entry: constant

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