oof - n. sl. money, cash. [Yiddish ooftisch, G auf dem Tische on the table (of money in...

ooh - int. expressing surprise, delight, pain, etc. [natural exclam.]...

oops - int. colloq. expressing surprise or apology, esp. on making an obvious mistake....

oogenesis - n. the production or development of an ovum. ...

oomph - orig. uncert.]...

oogamous - adj. reproducing by the union of mobile male and immobile female cells. oogamy...

oompah - n. colloq. the rhythmical sound of deep-toned brass instruments in a band. [imit.]...