How many letters does the top answer for “a small and inadequate amount” have?

The most common answer is scarceness (10 letters).

Crossword clue: a small and inadequate amount

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

scarceness 10 letters wn-def

a small and inadequate amount

scarcity 8 letters wn-def

a small and inadequate amount

a small amount of residue 50% similar → dreg

a small amount or duration 50% similar → little

a small worthless amount 50% similar → diddley, diddly, diddlysquat

contemptibly small in amount 50% similar → measly, miserable, paltry

inadequate in amount or degree 50% similar → deficient