ADD A LETTER - GET A NEW WORD IV
Credit: The Word's The Thing
Dr. Louis D. Appel

Example: Given the clue TRIFLE + E (productive), the answer would be FERTILE.

1. ENIGMA + I (pretend)
2. TIARA + L (rope)
3. TANDEM + A (demand, requirement)
4. PERIL + S (tool)
5. USURP + E (go after)
6. RESUME + A (use a ruler)
7. NADIR + C (spoiled)
8. INFER + E (improve)
9. REMAND + E (wander)
10. INTEGER + M (military unit)

Answers:

1. IMAGINE
2. LARIAT
3. MANDATE
4. PLIERS
5. PURSUE
6. MEASURE
7. RANCID
8. REFINE
9. MEANDER
10. REGIMENT