Ought /(a̤t)/

Ought

n. & adv.
  1. See Aught.

Ought

imp., p. p., [or] auxiliary
  1. Was or were under obligation to pay; owed. [Obs.]
    This due obedience which they ought to the king.
    — Tyndale.
    The love and duty I long have ought you.
    — Spelman.
    [He] said . . . you ought him a thousand pound.
  2. Owned; possessed. [Obs.]
    The knight the which that castle ought.
  3. To be bound in duty or by moral obligation.
    We then that are strong ought to bear the infirmities of the weak.
    — Rom. xv. 1.
  4. To be necessary, fit, becoming, or expedient; to behoove; -- in this sense formerly sometimes used impersonally or without a subject expressed.
    To speak of this as it ought, would ask a volume.
    Ought not Christ to have suffered these things?
    — Luke xxiv. 26.