To not think about something or someone, to fail to remember, or to disregard someone or something.

present participle of forget about

Third-person singular simple present indicative form of forget about

plural of forget-me-not

(Britain and Canada) Used in Remembrance Day ceremonies as a caution against forgetting those who died in war.

(informal) Addressed to someone whose departure is permanent or for a long time

To behave in a rude, ill-mannered way.

(generally in an angry tone) bear in mind, remember

Third-person singular simple present indicative form of forget to take one's medication this morning

present participle of forget to take one's medication this morning