What is the meaning of Observant?

Alert and paying close attention; watchful.

Diligently attentive in observing a law, custom, duty or principle; regardful; mindful.

Practicing a religion.

gerund of observar

present participle of observer

third-person plural present active indicative of observō

observant

attentive

observant (obeying the custom, practice or rules of a religion)

Source: wiktionary.org