---

All answers having "Screwy" as clue:

3 Character Answers:

---

ODD



4 Character Answers:

---

DAFT

LOCO

NUTS

ZANY



5 Character Answers:

---

CRAZY

NUTSY

NUTTY

WACKO



6 Character Answers:

---

ABSURD

SPIRAL



7 Character Answers:

---

BANANAS



15 Character Answers:

---

MADASAMARCHHARE