
Covetous
Negative Connotation
'Covetous' implies a negative and selfish desire, suggesting it's not admirable or virtuous. 
Subtle Greed
Using 'covetous' indicates a hidden or secretive longing for what others have, not just open envy. 
Intensity of Desire
The word 'covetous' expresses a powerful desire, more intense than a casual wish or want. 