Definitions
1.Verbsimple past of owe
2.VerbIndicating duty or obligation."I ought to vote in the coming election."
3.VerbIndicating advisability or prudence."You ought to always stand back from the edge of the platform.; Do you think we ought to leave now?"
4.VerbIndicating desirability."He ought to read the book; it was very good."
5.VerbIndicating likelihood or probability."We ought to arrive by noon if we take the motorway, shouldn't we?"
6.PronounAlternative spelling of aught; anything
7.AdverbAlternative spelling of aught; at all, to any degree.
8.NounA statement of what ought to be the case as contrasted with what is the case.
9.NounAlternative spelling of aught; cipher, zero, nought.