Beginning with "de", add letters from the given pool to create a seven-letter word which means "to withhold something". Do not rearrange the letters as you go.
Pool: E R V P I
1) DE
2) _ _ _
3) _ _ _ _
4) _ _ _ _ _
5) _ _ _ _ _ _
6) _ _ _ _ _ _ _
The hint gives definitions/clues for each additional word, except for the last word.