As an adverb describing an action:
* The cat lazily stretched out in the sun.
* He lazily flipped through the channels on the TV.
* She lazily swiped at the flies buzzing around her head.
As an adverb describing a manner:
* He spoke in a lazy drawl.
* The river flowed lazily towards the sea.
* The smoke lazily drifted up from the bonfire.
In a figurative sense:
* The company lazily ignored the growing problems.
* They lazily accepted the status quo, never striving for improvement.
The meaning of "lazily" depends on the context, so be mindful of how you use it.