fearless

As adjectives the difference between apprehensive and fearless

is that apprehensive is while fearless is free from fear.

As adjectives the difference between imprudent and fearless

is that imprudent is not prudent; wanting in prudence or discretion; indiscreet; injudicious; not attentive to consequence; improper while fearless is free from fear.

As a noun unfear

is want, lack, or absence of fear; fearlessness.

As an adjective fearless is

free from fear.

As an adjective fearless

is free from fear.

As a verb daunt is

to discourage, intimidate.

As an adjective fearless

is free from fear.

As a noun boldness is

the state of being bold; courage.

As adjectives the difference between fearless and fierce

is that fearless is free from fear while fierce is extremely violent, severe, ferocious or savage.

As adjectives the difference between bohemian and fearless

is that bohemian is unconventional, especially in habit or dress while fearless is free from fear.

As a noun bohemian

is an unconventional or nonconformist artist or writer.

As adjectives the difference between keen and fearless

is that keen is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense while fearless is free from fear.

As a verb keen

is (rare) to sharpen; to make cold or keen can be to utter a keen.

As a noun keen

is a prolonged wail for a deceased person.

As a verb overwhelm

is to engulf, surge over and submerge.

As an adjective fearless is

free from fear.

As adjectives the difference between fearless and shameless

is that fearless is free from fear while shameless is having no shame, no guilt nor remorse over something wrong; immodest; unable to feel disgrace.