Fenugreek is used in many curry powder blends, as well as in other Indian dishes like chutneys. It is also used in dry rubs for meat as well as in certain tea blends. If you like cook Indian dishes, this is an indispensable spice and you should definitely keep it on hand.
Fenugreek is not the most readily available spice, so you may need a substitute if you do not live near an Indian grocery store. There are various effective and easy-to-find substitutes. You may have a number of these fenugreek alternatives in your kitchen right now.