292 entries under noun topic. ×

4
reckoning(guess, estimate, calculation, guesstimate)
4
valuation(guess, estimate, calculation, guesstimate)
4
vicinity(proximity, nearness, imminence)
3
access
3
alikeness(connection, harmony, parallel, likeness)
3
analogue(balance, equal, double, equivalent)
3
association(connection, harmony, parallel, relation)
3
ballpark figure(expression, idiom, guess, judgment)
3
connection(touch, harmony, parallel, relation)
3
deduction
3
educated guess(expression, idiom, guess, judgment)
3
figuring(estimate, guesstimate, assessment)
3
gauge
3
gauging(guess, guesstimate, estimation)
3
guesstimate(guess, judgment, estimate, assessment)
3
guesswork
3
imitation
3
inaccurateness
3
metaphor
3
neighborhood(approach, proximity, nearness, imminence)
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APASmart Define. (2015). approximation thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/approximation/thesaurus/synonyms
ChicagoSmart Define. 2015. "approximation thesaurus" https://smartdefine.org/approximation/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, approximation thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/approximation/thesaurus/synonyms>.
MLASmart Define. "approximation thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/approximation/thesaurus/synonyms>