Used to indicate a wide variety of types or emotions within one category. She experienced the whole gamut of feelings from joy to despair.
Pro Tip 2/3
Not Literal
'Gamut' in common speech usually means 'a lot' but not necessarily everything possible. His accusations ran the gamut from silly to outright offensive.
Pro Tip 3/3
Emphasizing Variety
To stress the range of differences within a group, topic, or situation. The festival showcased a whole gamut of world cuisines.