How many letters does the top answer for “good against nightmare. -- n. a remedy nightmare. dunglison.” have?

The most common answer is antephialtic (12 letters).

Crossword clue: good against nightmare. -- n. a remedy nightmare. dunglison.

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

antephialtic 12 letters web-def

Good against nightmare. -- n. A remedy nightmare. Dunglison.

good against dropsy. -- n. a remedy for dropsy. 57% similar → antihydropic

good against jaundice. -- n. a remedy for jaundice. 57% similar → antiicteric