* Simple: The difference between the two paintings was noticeable.
* With an adjective: There was a noticeable improvement in her mood after she started exercising.
* With a prepositional phrase: The building's new facade was noticeable from miles away.
* In a negative context: Despite her efforts, there was no noticeable change in his behavior.
* With a verb: The doctor noticed a noticeable change in the patient's vital signs.
* In a literary context: The author's use of symbolism was noticeable throughout the novel.
Let me know if you'd like me to create more sentences using "noticeable" in a particular context.