Front

daunting

Back

causing fear or discouragement

Front

oblivious

Back

not aware

Front

decency

Back

polite, moral, and honest behavior

Front

plummeting

Back

falling suddenly straight down

Front

humility

Back

the quality of not being proud or arrogant

Front

fated

Back

destined, inevitably predetermined

Front

sequestered

Back

private; secluded

Front

conjectured

Back

formed a theory, guessed

Front

substantial

Back

plentiful

Front

inadvertently

Back

unintentionally