observant
//əbˈzɜːvənt//
Adjective
observantCanonical form
more observantComparative
most observantSuperlative
1
Quick to notice or perceive things; attentive and watchful.
She is very observant and noticed the small change in his expression.
2
Strictly following or adhering to religious rules, customs, or practices.
She comes from an observant Jewish family that follows all the traditional customs.