Meaning of the word observed in English

What does observed mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

observed

US /əbˈzɜrvd/
UK /əbˈzɜːvd/

Adjective

1.

noticed or perceived, especially carefully or with attention

Example:
The changes in his behavior were clearly observed by his friends.
The phenomenon was first observed in the early 20th century.
2.

followed or complied with (a rule, custom, or law)

Example:
The traditions of the community are strictly observed.
Religious holidays are widely observed in this region.