n.
1.a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
2.a message expressing an opinion based on incomplete evidence
3.reasoning that involves the formation of conclusions from incomplete evidence conjecture v.
1.to believe especially on uncertain or tentative grounds
Idiom of the Day
make (someone's) hair stand on end
to cause someone to be very frightened
The sound of the screaming woman made my hair stand on end.