expiring Synonyms

between life and death on one's last legs not long for this world in extremis breathe out run out snuff it kick the bucket conk terminating terminally ill on one's deathbed at Death's door breathing your last at the end of the rope with one foot in the grave failing rapidly sinking fast breathing one's last near the end fading fast become invalid stop sinking respiring ending ebbing dying die departing deceasing croak concluding choke exhale expired expire perish perishing pass passing moribund lapse going failing fading ceasing