guesswork

US /ˈɡes.wɝːk/
UK /ˈɡes.wɝːk/
"guesswork" picture
1.

palpite, conjectura

the process of making a judgment or decision without having enough information to know for certain what is correct or true

:
The exact number of attendees is still a matter of guesswork.
O número exato de participantes ainda é uma questão de palpite.
Much of the early research involved a lot of guesswork.
Grande parte da pesquisa inicial envolveu muito palpite.