Quiet refers to the absence of sound (especially loud sound) and quite means truly or considerably. The two words are often mis-spelled, just like their and there.
Quiet (pronounced kwahy-et)
- making no noise or sound, esp. no disturbing sound: quiet neighbors.
- free, or comparatively free, from noise: a quiet street.
- silent: Be quiet!
- restrained in speech, manner, etc.; saying little: a quiet person.
- free from disturbance or tumult; tranquil; peaceful: a quiet life.
- being at rest.
- refraining or free from activity, esp. busy or vigorous activity: a quiet Sunday afternoon.
- making no disturbance or trouble; not turbulent; peaceable: The factions remained quiet for twenty years.
- motionless or moving very gently: quiet waters.
- free from disturbing thoughts, emotions, etc.; mentally peaceful: a quiet conscience.
- said, expressed, done, etc., in a restrained or unobtrusive way: a quiet reproach; a quiet admonition.
- not showy or obtrusive; subdued: quiet colors.
- not busy or active: The stock market was quiet last week.
Quite (pronounced kwahyt)
- completely, wholly, or entirely: quite the reverse;not quite finished.
- actually, really, or truly: quite a sudden change.
- to a considerable extent or degree: quite small; quite objectionable.
Quite vs Quiet: Video Explaining the Differences