approximate
Adjective

Not quite exact or correct (synset 300919090)
similar: inexact  not exactsynonym: approximative, rough

Very close in resemblance (synset 300453905)
similar: close  close in relevance or relationshipsynonym: near

Located close together (synset 300450164)
similar: close  at or within a short distance in space or time or having elements near each othersynonym: close together
Verb

Be close or similar (synset 202672137)
hypernym: resemble  appear like; be similar or bear a likeness tohyponym: approach, border on  come near or verge on, resemble, come nearer in quality, or charactersynonym: come close

Judge tentatively or form an estimate of (quantities or time) (synset 200674352)
hypernym: calculate, cipher, compute, cypher, figure, reckon, work out  make a mathematical calculation or computationhyponym:
 quantise, quantize  approximate (a signal varying continuously in amplitude) by one whose amplitude is restricted to a prescribed set of discrete values
 misgauge  gauge something incorrectly or improperly
 place, put, set  estimate
 give  estimate the duration or outcome of something
 lowball, underestimate  make a deliberately low estimate
 assess  estimate the value of (property) for taxation
 make  calculate as being
 count, reckon  take account of
 truncate  approximate by ignoring all terms beyond a chosen one
 guesstimate  estimate based on a calculation
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