out of the question

Từ điển Oxford Learners Wordfinder Dictionary

adjective

totally unlikely (Freq. 1)
• Syn:
impossible, inconceivable, unimaginable
• Similar to:
unthinkable
• Derivationally related forms:
inconceivableness (for: inconceivable), inconceivability (for: inconceivable), impossibleness (for: impossible)