How many letters does the top answer for “another word for colossal” have?

The most common answer is prodigious (10 letters).

Crossword clue: another word for colossal

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

prodigious 10 letters gen-syn

so great in size or force or extent as to elicit awe

stupendous 10 letters gen-syn

so great in size or force or extent as to elicit awe

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase