1. opinions or conclusions formed on the basis of incomplete information; guesses
Usage: plural of conjecture

1. forms an opinion or supposition about something on the basis of incomplete information
Usage: third person singular present tense of conjecture

Examples

• The scientist’s conjectures about the new planet proved to be accurate.
• Without more evidence, we can only make conjectures about what happened.
• His conjectures were based on limited observations.
• She conjectures that the missing book is in the library.
• The detective conjectures that the crime occurred after midnight.
• Many of their early conjectures turned out to be wrong.
• He often conjectures about the future of technology.