How many letters does the top answer for “having worth or merit or value” have?

The most common answer is worthful (8 letters).

Crossword clue: having worth or merit or value

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

worthful 8 letters wn-def

having worth or merit or value

being of no value; having no worth. 50% similar → valueless

the quality or state of having merit or value 50% similar → worthiness