Meaning : Required or under orders.
Example :
I'm supposed to be there at ten.
He was supposed to go to the store.
Meaning : Mistakenly believed.
Example :
The supposed existence of ghosts.
Meaning : Based primarily on surmise rather than adequate evidence.
Example :
Theories about the extinction of dinosaurs are still highly conjectural.
The supposed reason for his absence.
Suppositious reconstructions of dead languages.
Hypothetical situation.
Synonyms : conjectural, divinatory, hypothetic, hypothetical, suppositional, suppositious, supposititious