Alive
Part of speech: adjective
Definition: Having life, in opposition to dead; living; being in a state in which the organs perform their functions; as, an animal or a plant which is alive. In a state of action; in force or operation; unextinguished; unexpired; existent Exhibiting the activity and motion of many living beings; swarming; thronged. Sprightly; lively; brisk. Having susceptibility; easily impressed; having lively feelings, as opposed to apathy; sensitive. As intensifier, of all living.
Example sentence: I enjoy life when things are happening. I don't care if it's good things or bad things. That means you're alive.
Viable
Part of speech: adjective
Definition: Able to live on its own (as for a newborn.)Able to be done, possible.
Example sentence: You cannot have a society where you spend more than you earn. I mean, it's just fundamentally not viable in the long run.