approximations

Close but imprecise

Approximations are estimates or values that come close to something without being exact.

In math and science, approximations substitute manageable numbers for unwieldy ones: Pi is about 3.14, but that's only an approximation.

More broadly, anything that resembles but doesn't perfectly match something else: These rough sketches are approximations of the final design.

estimates

estimation

Approximate value judgment

guesstimate · conjecture · guesswork · prediction · assessment · evaluation · quantification · reckoning · inference · extrapolation

roughness

rough

Uneven in surface

loose · coarse · sketchy · unrefined · preliminary · tentative · provisional · working · draft · cursory

nearness

proximity

Nearness in space

nearing · converging · asymptotic · limiting · tending · verging · bordering on

similarity

resemblance

Likeness between things

correspondence · affinity · similitude · comparison · analogue · parity · congruence · semblance · facsimile · imitation

Categories
Opposites
precision

approximationsexactitudes

States of perfect accuracy

accuracies · exactness · specifics · particulars

certainty

approximationscertainties

Assured truths

absolutes · definites · actualities · givens · verities

completeness

approximationsfinished products

Manufactured items ready for use

Phrases
Family

approximation

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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G