We found one dictionary that defines the word supplementary questions:

General (1 matching dictionary)

1. supplementary questions: Collins English Dictionary

▸ Words similar to supplementary questions ▸ Usage examples for supplementary questions ▸ Idioms related to supplementary questions ▸ Wikipedia articles (New!) ▸ Words that often appear near supplementary questions ▸ Rhymes of supplementary questions ▸ Invented words related to supplementary questions