guestimate

[ verb ges-tuh-meyt; noun ges-tuh-mit, -meyt ]
/ verb ˈgɛs təˌmeɪt; noun ˈgɛs tə mɪt, -ˌmeɪt /

verb (used with object), gues·ti·mat·ed, gues·ti·mat·ing, noun

Definition for guestimate (2 of 2)

guesstimate

or gues·ti·mate

[ verb ges-tuh-meyt; noun ges-tuh-mit, -meyt ]
/ verb ˈgɛs təˌmeɪt; noun ˈgɛs tə mɪt, -ˌmeɪt /
Informal.

verb (used with object), guess·ti·mat·ed, guess·ti·mat·ing.

to estimate without substantial basis in facts or statistics.

noun

an estimate arrived at by guesswork.

Origin of guesstimate

1935–40, Americanism; blend of guess and estimate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for guestimate

guesstimate

guestimate

/ informal /

noun (ˈɡɛstɪmɪt)

an estimate calculated mainly or only by guesswork

verb (ˈɡɛstɪˌmeɪt)

to form a guesstimate of
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012