| sinking(verb, adjective, decline, last, failing) |
| disappearance(noun, going, loss, passing, disappearance) |
| passing(noun, verb, adjective, loss, failing) |
| declining(noun, verb, adjective, last, failing) |
| disappearing(verb, adjective, lessening, transient, dying) |
| ephemeral(adjective, brief, transient, transitory, short-lived) |
| evaporation(noun, escape, going, loss, passing) |
| fleeting(adjective, brief, transient, transitory, short-lived) |
| vanishing(noun, verb, adjective, loss, failing) |
| waning(noun, verb, adjective, decline, deterioration) |
| wilting(verb, weakening, deteriorating, wearying, flagging) |
| dying(noun, verb, adjective, decline, collapse) |
| evanescent(adjective, brief, transient, dying, transitory) |
| failing(noun, verb, adjective, decline, collapse) |
| flitting(adjective, brief, transient, transitory, short-lived) |
| going(noun, verb, adjective, loss, failing) |
| impermanent(adjective, brief, transient, transitory, short-lived) |
| momentary(adjective, brief, transient, transitory, short-lived) |
| mortal(adjective, human, transient) |
| short-lived(adjective, brief, transient, transitory) |