potion UK /ˈpəʊ.ʃən/US /ˈpoʊ.ʃən/noun 1verb 1forms 3 noun1 •A small portion or dose of a liquid which is medicinal, poisonous, or magical.He hoped to win the princess's heart by mixing the love potion the witch gave him into her drink. verb1 •(no longer used) To drug (someone). formspotioned · potioning · potions