Synonyms for Receding (same or very similar meaning)
WordNet sense 1 (a slow or gradual disappearance):
fadeout
WordNet sense 2 (directed or facing toward the back or rear):
backward
WordNet sense 3 (moving toward a position farther from the front):
retiring
WordNet sense 4 (moving back or away):
retreating
WordNet sense 5 (the act of becoming more distant):
recession
From the ODE community, based on WordNet
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