... drab.dingo (singular) dingoes or dingos (plural)dining or dinning?dine + ing = dining (as in dining room)din + ing = dinning (noise dinning in ears)See ADDING ENDINGS (i) and (ii).diphtheria(not ... schoolhas to offer.Originally, DISINTERESTED was used in this sense(= having no interest in, apathetic), and it isinteresting that this meaning is being revived in popular speech.71tDISIPLEAvoid ... machine).DEFICIENT means lacking something vital (a dietDEFICIENT in vitamin C).deferdeferred, deferring, deferenceSee ADDING ENDINGS (iv).deffiniteWrong spelling. See DEFINITE.deficientSee...