In a state of wonder or amazement, often with the mouth open.

आश्चर्य में

English Usage: She stood agape at the breathtaking view of the mountains.

Hindi Usage: वह पहाड़ों के शानदार दृश्य को देखकर आश्चर्य में थी।

Wide open, especially in reference to the mouth.

खुला हुआ

English Usage: His mouth was agape during the shocking revelation.

Hindi Usage: धार्मिक खुलासे के दौरान उसका मुँह खुला हुआ था।

To open wide, especially the mouth.

चौड़ा खोलना

English Usage: She agaped when she saw the magician's trick.

Hindi Usage: जब उसने जादूगर का जादू देखा, तो वह चौड़ा खोलने लगी।