---

All answers having "Drained" as clue:

3 Character Answers:

---

DRY



4 Character Answers:

---

BLED

MADE

PALE



5 Character Answers:

---

DRANK

SPENT

WEARY



6 Character Answers:

---

SAPPED

TAPPED



7 Character Answers:

---

EMPTIED



8 Character Answers:

---

DEPLETED