colossal /kə-losˈəl or ko-/

1. Like a colossus
2. Gigantic
3. Of the order of columns and pilasters that extend more than one storey (architecture)

colossˈally adverb

• tops
• topsail
• topsails
• top-sawyer
• top-sawyers
• top secret
• top-shelf
• top-shell
• topside
• topsides
• topside-turvey
• topside-turvy
• top-slice
• top-sliced
• top-slices
• top-slicing
• topsman
• topsmen
• topsoil
• topsoiling
• topsoilings
• topsoils
• topspin
• topspins
• top stone