| NAD | a coenzyme derived from the B vitamin nicotinic acid |
|---|---|
| NAD | a quantity of no importance |
| NAD | a daiquiri made without alcohol |
| NAD | South African novelist and short-story writer whose work describes the effects of apartheid (born in 1923) |
| NAD | the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected |
| NAD | an extreme state of adversity |
| NAD | a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina |