Verbs

(v)approximate, come closebe close or similar“Her results approximate my own”
(v)estimate, gauge, approximate, guess, judgejudge tentatively or form an estimate of (quantities or time)“I estimate this chicken to weigh three pounds”

Adjectives

(s)approximate, approximative, roughnot quite exact or correct“the approximate time was 10 o'clock”, “a rough guess”, “a rough estimate”
(s)approximate, nearvery close in resemblance“sketched in an approximate likeness”, “a near likeness”
(s)approximate, close togetherlocated close together“with heads close together”, “approximate leaves grow together but are not united”