Introspective means looking inward.
A word that means looking inward is introspective.
Guillotine.
Enumerating.
Carnivore.
You have not given me the word list so I cannot find the best fit.
A word that means looking inward is introspective.
"Frivolous" fits the definition of incapable of serious thought.
Very sharp best fits the word razor sharp.
Guillotine.
Enumerating.
Vegetation.
Carnivore.
A mother.
howitzer
"Useless"or trash
chloroplast
the middle kingdom