What does "nonvital" mean?

Not vital (in various senses); thus, often not essential for life

Nonvital

Common synonyms include: inessential, inessential to life, nonessential, nonessential to life, not vital to life, peripheral.

adj

adj ·Rare ·Advanced level

Adjective

1
Not vital (in various senses); thus, often not essential for life not-comparable
"The eye is a nonvital organ."
2
Not containing living nerve tissue not-comparable
"Such an occurrence could provoke a vital response from a patient when a nonvital tooth was being tested (a "false-positive")."

"Such an occurrence could provoke a vital response from a patient when a nonvital tooth was being tested (a "false-positive")."

From non- + vital.