sticky note
US /ˈstɪk.i ˌnoʊt/
UK /ˈstɪk.i ˌnoʊt/

1.
post-it, nota adesiva
a small piece of paper with an adhesive strip on the back, used for temporary notes or reminders
:
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I wrote a reminder on a sticky note and put it on my monitor.
Escrevi um lembrete em um post-it e o coloquei no meu monitor.
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The whiteboard was covered with colorful sticky notes.
O quadro branco estava coberto de post-its coloridos.