antediluvian

mastery
UK /ˌæn.tɪ.dɪˈluː.vɪ.ən/ US /ˌæn.ti.dəˈlu.vi.ən/adjnoun

card 1 of 10 · context meaning

What does 'antediluvian' mean in this sentence?

My grandmother's antediluvian rotary phone still works, but it's a conversation piece.