прил., -на, -но, -ни 1. observant; watchful, penetrating, penetrative; observation (attr.), of observation; много си ~ен you have a very sharp/quick eye;
2. (за наблюдение) observational, observation (attr.), of observation; ~ен балон observation-balloon; ~ен пост post of observation, observation point, воен., мор. look-out; ~ен пункт observatory, (удобна позиция) vantage ground/point; ~на кула watch tower, (за пожар) fire-tower.