guestimating

Ballparking a figure

Guestimating is making a rough estimate based partly on guesswork—a blend of "guess" and "estimate." The word acknowledges that your figure isn't precise but isn't purely random either: I'm just guestimating, but I'd say about three hundred people showed up.

Also spelled guesstimating.

approximation

ballpark

Sports venue or estimate

spitballing · eyeballing · rough calculation · imprecise · inexact · approximate · close enough · rule of thumb · within range

intuition

hunch

Unproven inner sense

shot in the dark · stab · inference · surmise · sense · feeling · off the cuff · snap judgment · gut check · sixth sense

uncertainty

speculation

Unproven theorizing or risky investment

tentative · iffy · hedging · margin of error · fuzzy · vague · unclear · imprecision · doubt · variability

forecasting

projection

Something that extends outward

prognosis · estimation · modeling · trending · anticipating · outlook

Opposites
precision of measurement

guestimatingcomputing

Processing data mathematically

quantifying · measuring · calculating · tabulating · enumerating

certainty of knowledge

guestimatingverifying

Confirming truth or accuracy

confirming · ascertaining · establishing · proving · demonstrating

Family

guestimation

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G