Noun

• S: (n) receding (receding%1:11:00::), fadeout (fadeout%1:11:00::) (a slow or gradual disappearance)
• S: (n) receding (receding%1:04:00::), recession (recession%1:04:00::) (the act of becoming more distant)

Verb

• S: (v) withdraw (withdraw%2:38:00::), retreat (retreat%2:38:00::), pull away (pull_away%2:38:00::), draw back (draw_back%2:38:00::), recede (recede%2:38:01::), pull back (pull_back%2:38:00::), retire (retire%2:38:00::), move back (move_back%2:38:00::) (pull back or move away or backward) "The enemy withdrew"; "The limo pulled away from the curb"
• S: (v) fall back (fall_back%2:33:00::), drop off (drop_off%2:33:00::), fall behind (fall_behind%2:33:00::), recede (recede%2:33:00::) (retreat)
• S: (v) recede (recede%2:30:00::) (become faint or more distant) "the unhappy memories of her childhood receded as she grew older"

Adjective

• S: (adj) receding (receding%3:00:00:backward:01) ((of a hairline e.g.) moving slowly back)