---

All answers having "Humongous" as clue:

3 Character Answers:

---

BIG



4 Character Answers:

---

HUGE

MEGA

VAST



5 Character Answers:

---

GIANT

LARGE

MACRO



7 Character Answers:

---

IMMENSE

MASSIVE

TITANIC



8 Character Answers:

---

COLOSSAL

GIGANTIC

WHOPPING



9 Character Answers:

---

MONSTROUS



11 Character Answers:

---

BIGASAWHALE