Part of speech: Verb
cause to fluctuate or move in a wavelike pattern
Categories: Move, Displace
Part of speech: Verb
move or sway in a rising and falling or wavelike pattern
Example: the line on the monitor vacillated
Categories: Swing
Part of speech: Verb
be unstable
Example: The stock market fluctuates
Categories: Change state, Turn
The word "fluctuate" was borrowed from Latin fluctuo.
Latin became the scholarly language of Europe for over 1,500 years, standardizing technical vocabulary.