waning Synonyms

past its prime wane twilight subsiding stagnating slumping slipping sliding sinking shriveling shrink obsolescent moribund wasting weakening whiting in decline losing momentum twilit on the way out on the wane low water low tide worsening backflow go down withering wilting marcescent leucophlegmacy lessen deterioration deteriorating decrescent decrease decreasing decline declining decay decaying albification aging abatement dying diminishing diminish lessening flagging fall falling