approximate
verb
be close or similar
“Her results approximate my own”
Synonymscome closejudge tentatively or form an estimate of (quantities or time)
“I estimate this chicken to weigh three pounds”
adjective
not quite exact or correct
“the approximate time was 10 o'clock”
“a rough guess”
very close in resemblance
“sketched in an approximate likeness”
“a near likeness”
Synonymsnearlocated close together
“with heads close together”
“approximate leaves grow together but are not united”
Synonymsclose together
Source: WordNet 3.1, Princeton University