simple past tense and past participle of notice
"She noticed the package sitting on her porch when she returned from work."
In plain English: To notice something means to see it or become aware of it when you are paying attention.
"She noticed that her keys were missing from the table."
Usage: Use "noticed" to describe when you became aware of something or paid attention to it in the past. It functions as both the simple past tense and the past participle, often appearing with auxiliary verbs like "have" or "had.
Derived from Old French noter (to mark down), this form comes from the Latin verb notare, originally meaning to tattoo or brand with an iron. It evolved through Middle English to signify becoming aware of something by observation.