definition 1: to make different; to alter the content or form of.
example: The witness changed his testimony.
example: The author was not satisfied with her novel until she’d changed the ending.
definition 2: to cause to become something completely different (usually followed by “to” or “into”).
example: They changed their reservation from seven o’clock to eight o’clock.
example: In the fairy tale, the witch changes the prince into a frog.
example: Someone changed the number 4 into a 9.
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