Definition of "Approximate" :

verb: judge tentatively or form an estimate of (quantities or time)

verb: be close or similar

"Her results approximate my own."

adjective: located close together

"Approximate leaves grow together but are not united."

adjective: very close in resemblance

"Sketched in an approximate likeness."

adjective: not quite exact or correct

"The approximate time was 10 o'clock."