greedy

adjective

1. 1

   wanting to eat or drink more than one can reasonably consume

   don't be greedy with the cookies

2. 2

   immoderately desirous of acquiring e.g. wealth

   they are avaricious and will do anything for money

   casting covetous eyes on his neighbor's fields

3. 3

   (often followed by `for') ardently or excessively desirous

   avid for adventure

   an avid ambition to succeed