The term 'BIG LIZARD' can be broken down into six crossword solutions: IGUANA (6 letters), GILA (4 letters), Geico (5 letters), ANOLE (5 letters), SKINK (5 letters), and GECKO (5 letters). IGUANA is a large species of lizard found in tropical climates, while GILA is a type of large lizard native to the southwestern United States. Geico is a type of small, nocturnal lizard found in Africa, while ANOLE is a small, arboreal lizard found in the Caribbean. SKINK is a type of small, terrestrial lizard found in many parts of the world, and GECKO is a type of small, nocturnal lizard found in many parts of the world. All of these lizards are considered to be 'big lizards' due to their size and/or behavior.