* Noun: This is the most common usage, referring to a practice or habit that is traditional or widely observed.
* Example: "It's a custom to celebrate birthdays with cake."
* Adjective: Describing something that is made or designed specifically for a particular person or purpose.
* Example: "The tailor made a custom suit for the client."
* Verb: To make or design something according to a specific order or requirement.
* Example: "The company customizes its products to meet customer needs."
Let me know if you have a specific sentence in mind and I can tell you which part of speech "custom" is in that context!