Synonyms of imprecise

imprecise

adjective

ˌim-pri-ˈsīs 

as in inaccurate

not precisely correct

3.14 is an imprecise approximation of the value of pi

Synonyms & Similar Words

• inaccurate
• approximate
• approximative
• incorrect
• inexact
• erroneous
• flawed
• misleading
• vague
• general
• squishy
• loose
• indistinct
• uncertain
• indefinite
• indeterminate
• undefined
• questionable
• ballpark
• wrong
• undetermined
• indefinable
• faulty
• distorted
• false
• specious
• inconclusive
• dubious
• mushy
• doubtful
• fallacious
• mistaken
• unsettled
• indecisive
• debatable
• unsupported
• unsubstantiated
• disputable
• off
• unconfirmed
• invalidated

Antonyms & Near Antonyms

• accurate
• precise
• exact
• certain
• positive
• correct
• sure
• dead
• dead-on
• valid
• true
• factual
• undeniable
• sound
• unquestionable
• right
• incontestable
• indubitable
• decisive
• definite
• defined
• definable
• veracious
• clear-cut
• indisputable
• irrefutable
• ultraprecise
• absolute
• unqualified
• incontrovertible
• confirmed
• errorless
• determined
• supported
• established
• validated
• substantiated
• corroborated

Example Sentences

Recent Examples of imprecise

Rare diseases are by nature less familiar to health care providers, which means patients often endure long periods of misdiagnosis, imprecise treatments, and extensive testing. —Alexandra Sifferlin, STAT, 31 Mar. 2026

Knee replacement surgery used to require a surgeon to manually saw bone — an inherently imprecise process. —Nick Lichtenberg, Fortune, 29 Mar. 2026

As that example from the space shuttle days shows, estimates made using scant data are likely to be imprecise and in need of future revision. —Mike Wall, Space.com, 13 Mar. 2026

Scientists may be able to look at geographical data to estimate long-term glyphosate exposure instead, but that’s still an imprecise measure. —Jackie Flynn Mogensen, Scientific American, 27 Feb. 2026