guesstimate means an estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data. Lexicurio rates it Sui generis — a strength score of 86 out of 100.
guesstimate is pronounced /ˈɡɛs.tə.mət/.
noun
- An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.“Near-synonym: educated guess”
verb
- To make a guesstimate.
- To make a guesstimate of a specific quantity.