Pinterest UK /ˈpɪntɹɛst/US /ˈpɪnt(ə)ɹəst/noun 1verb 1forms 3 noun1 •(informal) An account on Pinterest.She scanned the rest of the ideas she’d amalgamated on her Pinterest: handmade candles, homemade jams, woven baskets, pot pourri with a signature scent. — 2023 verb1 •(informal) To use the service Pinterest. formsPinterested · Pinteresting · Pinterests