Look up: zealous

1. Zealous
   Zeal'ous adjective [ Late Latin zelosus . See Zeal .] 1. Filled with, or characterized by, zeal; warmly engaged, or ardent, in behalf of an object. « He may be zealous in the salvation of souls.» Law. <...
   Found on http://www.encyclo.co.uk/webster/Z/2
   
   
2. Zealous
   • (a.) Filled with religious zeal. • (a.) Filled with, or characterized by, zeal; warmly engaged, or ardent, in behalf of an object.
   Found on http://thinkexist.com/dictionary/meaning
   
   
3. zealous
   zealous, zealousness 1. Filled with or motivated by zeal; fervent. 2. Full of, characterized by, or due to zeal; ardently active, devoted, or diligent. 3. Passionate; fanatical; intense. If people were more zealous and less jealous, this world would be a much better place in which to live. —Anonymous
   Found on http://www.wordinfo.info/words/index/inf
   
   
4. Zealous
   HMS Zealous was a British ironclad battleship of 6100 tons launched in 1864. She was armed with twenty 7-inch guns and had a top speed of 12 knots. She was sold in 1886.
   Found on http://www.probertencyclopaedia.com/brow