With adjectives:
* The weather has noticeably warmed up since yesterday.
* The paint job is noticeably chipped and faded.
* She was noticeably more confident after her presentation.
With adverbs:
* He walked noticeably slower after his injury.
* The baby was crying noticeably louder than usual.
* The car braked noticeably harder than before.
With verbs:
* He noticeably hesitated before answering the question.
* The company's profits noticeably declined in the last quarter.
* Her mood noticeably brightened when she received the good news.
In a phrase:
* The difference was noticeable, even to the untrained eye.
* There was a noticeable improvement in her performance.
* It was noticeably clear that she was nervous.
Remember that "noticeably" is an adverb, so it modifies a verb, adjective, or another adverb, and describes how something is done or how something is.