"Lazy" is an adjective: It describes a noun (a person, animal, or thing).
Verbs that relate to laziness:
* Loaf: To relax and do nothing. Example: "He was loafing around the house all day."
* Slack off: To work less hard or not do something you should be doing. Example: "The students started slacking off after the exam."
* Procrastinate: To delay doing something, especially something important. Example: "She procrastinated on writing her paper until the last minute."
* Shirk: To avoid doing something you are supposed to do. Example: "He shirked his responsibilities at work."
The best verb depends on the specific context:
* If you want to say someone is not working hard: "slack off" or "shirk" are good choices.
* If you want to say someone is relaxing excessively: "loaf" is a good choice.
* If you want to say someone is delaying something: "procrastinate" is a good choice.
Let me know if you have a specific situation in mind, and I can help you choose the best verb!