TOEICや国連英検対策にオンライン英英辞典や類語辞典を使う😃

◼️Oxford英英辞典
https://www.oxfordlearnersdictionaries.com/definition/english/endorse?q=Endorse

◼️ロングマン英英辞典
https://ldoceonline.com/jp/

◼️類語辞典
https://thesaurus.com/browse/endorse