Ob*serv"ant (?), a. [L. observans, -anits, p. pr. of observare: cf. F. observant. See Observe.]

1. Taking notice; viewing or noticing attentively; watchful; attentive; as, an observant spectator; observant habits.

Wandering from clime to clime observant stray'd.

2. Submissively attentive; obediently watchful; regardful; mindful; obedient (to); -- with of, as, to be observant of rules.

We are told how observant Alexander was of his master Aristotle.

Ob*serv"ant, n. 1. One who observes forms and rules. [Obs.] Hooker.

2. A sycophantic servant. [Obs.]

Silly ducking observants,
That stretch their duties nicely.

3. (R.C.Ch.) An Observantine.

• Alert and paying close attention.
       
• The too observant policeman noticed that my tax disk was out-of-date.
  
• Diligently attentive in observing a law, custom, duty or principle.
       
• I was normally observant of the local parking restrictions.
  
• Introspective