| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | failing, expiring |
| Synonyms: | at death's door, at end of rope, decaying, declining, disintegrating, done for, doomed, ebbing, fading, fated, final, giving up the ghost, going, in extremis, moribund, mortal, on last leg, one foot in grave, passing, perishing, sinking, vanishing, withering |
| Antonyms: | creating, developing, growing, living, reviving |
| Main Entry: | terminally ill |
| Part of Speech: | adjective |
| Definition: | critically ill |
| Synonyms: | at death's door, in critical condition, on one's deathbed, on the critical list |