UNCHALLENGEABLE
\ʌnt͡ʃˈalɪnd͡ʒəbə͡l], \ʌntʃˈalɪndʒəbəl], \ʌ_n_tʃ_ˈa_l_ɪ_n_dʒ_ə_b_əl]\
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By Princeton University
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.