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

The most common answer is onionskin (9 letters).

Crossword clue: another word for flimsy

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

onionskin 9 letters gen-syn

a thin strong lightweight translucent paper used especially for making carbon copies

unconvincing 12 letters gen-syn

not convincing

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