切きっかけ・キッカケ切っ掛け表記・読み:切掛け・切っかけ・切掛・切っ掛・切かけ・切欠・きっかけ・キッカケ1chance; start; cue; excuse; motive; impetus; occasion名詞word usually written using kana alone札へ残す語をコピー