How many letters does the top answer for “improved or brought up to date” have?

The most common answer is revised (7 letters).

Crossword clue: improved or brought up to date

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

revised 7 letters wn-def

improved or brought up to date

not improved or brought up to date 80% similar → unrevised

brought up to date 75% similar → modernised, modernized

not brought up to date 60% similar → unmodernised, unmodernized