approximation

noun 0.830

approximant

noun 0.760

approximator

noun 0.752

approximation algorithm

noun 0.709

proximation

noun 0.639

inexactitude

noun 0.637

inexactness

noun 0.622

guesstimate

noun 0.612

estimation

noun 0.600

estimated position

noun 0.589

estimate

noun 0.589

overestimate

noun 0.563

proximate

noun 0.555

impreciseness

noun 0.539

tentative

noun 0.537

approach

noun 0.537

estimator

noun 0.533

imprecision

noun 0.530

vague

noun 0.528

atypical

noun 0.524

ballpark estimate

noun 0.521

imperfect

noun 0.517

extrapolator

noun 0.517

conjectural

noun 0.516

simulative

noun 0.515

exactitude

noun 0.512

probable

noun 0.512

indefinite

noun 0.512

apposite

noun 0.511

extrapolation

noun 0.511

underestimate

noun 0.509

preliminary

noun 0.509

ballpark figure

noun 0.507

adjacent

noun 0.504

urate

noun 0.503