Definitions from Wiktionary (billion-dollar question)
▸ noun: Synonym of million-dollar question.
▸ Words similar to billion-dollar question
▸ Usage examples for billion-dollar question
▸ Idioms related to billion-dollar question
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▸ Rhymes of billion-dollar question
▸ Invented words related to billion-dollar question
▸ noun: Synonym of million-dollar question.
Similar:
million-dollar question,
burning question,
pressing question,
crucial question,
pivotal question,
about,
Acts,
answer,
anything,
application,
more...
▸ Words similar to billion-dollar question
▸ Usage examples for billion-dollar question
▸ Idioms related to billion-dollar question
▸ Wikipedia articles (New!)
▸ Words that often appear near billion-dollar question
▸ Rhymes of billion-dollar question
▸ Invented words related to billion-dollar question