How many letters does the top answer for “having the property of containing fat” have?

The most common answer is adiposity (9 letters).

Crossword clue: having the property of containing fat

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

adiposity 9 letters wn-def

having the property of containing fat

fattiness 9 letters wn-def

having the property of containing fat

the property of having little body fat 50% similar → leanness, spareness, thinness