simple past tense and past participle of hear
"I heard a loud crash from upstairs just before I went to bed."
In plain English: Heard is when you use your ears to notice a sound.
"I heard the doorbell ringing just now."
Usage: Use "heard" to describe the simple past action of perceiving a sound or to indicate that someone has listened to something previously. Avoid using it for future events or present continuous actions, which require different verb forms.
That has been heard or listened to; that has been aurally detected.
"The loud crash of glass was immediately heard by everyone in the room."
"The heard rumor spread quickly through the office."
Usage: Use "heard" only when describing something that sounds like it was physically detected by an ear, such as a rumor or a whisper. Do not use it as an adjective for things you have seen or understood intellectually.
A surname.
"The Heards are hosting a family reunion at their old farmhouse this weekend."
The word heard originated as an occupational surname for shepherds and cowherds. It comes from the Old English word heord, which meant a herd of animals.