Some seven letter words for the different meanings of finished:
refined (cultivated)
settled (concluded)
stained (finished furniture)
through, at an end
Through
through
through
A seven letter word that means most favorable is favorite.
execute
A seven letter word that means a high shrill sound would be "whistle".
through is a better word.... for finished could be through.
forfeit
replace
unclean...
tattler