protean

As a letter s

is the letter s with a.

As an adjective protean is

of or relating to proteus.

Protean is a related term of irrepressible.

As adjectives the difference between protean and irrepressible

is that protean is of or relating to proteus while irrepressible is irrepressible.

As adjectives the difference between protean and sporadic

is that protean is of or relating to proteus while sporadic is rare and scattered in occurrence.

As adjectives the difference between protean and malleable

is that protean is exceedingly variable; readily assuming different shapes or forms while malleable is able to be hammered into thin sheets; capable of being extended or shaped by beating with a hammer, or by the pressure of rollers.

Impulsive is a related term of protean.

As adjectives the difference between impulsive and protean

is that impulsive is having the power of driving or impelling; giving an impulse; moving; impellent while protean is of or relating to proteus.

As a noun impulsive

is that which impels or gives an impulse; an impelling agent.

As an adjective protean

is of or relating to proteus.

As a noun diversity is

the quality of being diverse or different; difference or unlikeness.

As adjectives the difference between versatile and protean

is that versatile is capable of doing many things competently while protean is of or relating to proteus.

As adjectives the difference between protean and amendable

is that protean is exceedingly variable; readily assuming different shapes or forms while amendable is capable of being amended.

As an adjective protean

is exceedingly variable; readily assuming different shapes or forms.

As an adverb tantivy is

at full tilt.

As a noun tantivy is

a rapid gallop.