0 good or quick at noticing things: --
"That's a new dress, isn't it?" "Yes, you are observant!"
3 careful in obeying laws, rules, or customs: --
observant of cultural traditions
Those who have been sufficiently observant have noticed my somewhat eccentric behaviour during the evening.
Some of us are very observant on market days.
At every site it was found that the elderly were more observant of the signals than were other adults.
The boys have become more observant and have proved their superiority over older boys who have not had the advantage of this training.
I believe that if people are observant of the law these accidents will not happen.
Ordinary members of the public must become far more vigilant, observant and suspicious and not simply mind their own business.
Any observant student of our economic life cannot fail to be impressed with the seriousness of the situation.
There are several examples of cases where they could have prevented fraud if they had been just a little observant.
