1 mourning garments

1 to age

2 to deteriorate with age

3 old and weak

1 to retreat

2 to decline

3 to move back

4 to withdraw

1 to withdraw

2 to abort

3 to quit

4 to log out (computing)

1 to fall back

2 to go in reverse

1 not knowing when to come or leave (idiom); with no sense of propriety

1 life has its ups and downs (idiom)

1 weakening and close to exhaustion (idiom); in terminal decline

2 on one's last legs

1 old and weak (idiom)

1 lit. to beat the return drum (idiom)

2 fig. to give up

3 to turn tail