To have an earnest desire. 1 Timothy 6:10.

To desire or wish for, with eagerness; to desire earnestly to obtain or possess; in a good sense. Covet earnestly the best gifts. 7 Corinthians 12:31.

To desire inordinately; to desire that which it is unlawful to obtain or possess; in a bad sense. Thou shalt not covet thy neighbors house, wife or servant. Exodus 20:17.