1. guesstimate - Noun
2. guesstimate - Verb
an estimate that combines reasoning with guessing
estimate based on a calculation
Source: WordNetThis 'guesstimate' TV audience represents around 60% of Arab youth and 50% of Arab adults, says Mazen Hayek, official spokesman and group director of PR & commercial for the Dubai-based free-to-air satellite network. Source: Internet
Most people just go to a store and guesstimate whether a bag will hold their gear, or buy on-line to save money. Source: Internet