1) Bitterly 2) Covetously 3) Enviously 1) Covetously 2) Enviously 3) In an envious manner 4) With enviousness 5) With jealousy 
• (adv.) In a jealous manner.
Jeal'ous·ly adverb In a jealous manner. 
[adv] - with jealousy
jealousness, jealously 1. Feeling bitter and unhappy because of another's advantages, possessions, or luck. 2. Feeling suspicious about a rival's or competitor's influence, especially in regard to a loved one. 3. Possessively watchful of something: 'He keeps a jealous watch on his research.' 4. Demanding exclusive loyalty or adherence; now consi...
adverb with jealousy; `he guarded his privacy jealously`