The term echoed can be defined as a sound or words that are REPEATED, ITERATED, RESONATED, or replied. It is often used to describe a sound that is heard after it has been reflected off a surface, such as a wall or a canyon. It can also be used to describe a conversation in which one person repeats the words of another. ITERATED means to say or do something again, while RESONATED means to vibrate or reverberate. Replied means to answer or respond to something. All of these words can be used to describe the concept of echoing.