1. in a manner that echoes or repeats sound; with an echo-like quality
Usage: rare; primarily used in technical or literary contexts
2. in a way that imitates or reflects something previously stated or done
Usage: literary or formal usage

Examples

• The canyon walls rose echoically around the hikers, amplifying every sound.
• She spoke echoically, repeating his words as if in a trance.
• The music reverberated echoically through the empty hall.
• His argument was structured echoically, mirroring the points made by his opponent.