sizeguess
nounUK /ˈsaɪz.ɡes/
US /ˈsaɪz.ɡes/
A sizeguess is a guess about how big or small something is.
My sizeguess was wrong because the box was much bigger than I thought.
RELATED WORDS
OTHER MEANINGS
2. An informal judgment of someone's clothing or shoe size made without measuring.
The shopkeeper made a sizeguess and handed me a pair of shoes.
3. A quick calculation of the amount of space something will take up.
Before packing the car, we made a sizeguess about the suitcases.
4. A tentative number used in planning when exact measurements are not available.
The builder's sizeguess helped us order enough tiles for the floor.