stern

Powerful is a related term of stern.

As an adjective powerful

is having, or capable of exerting power, potency or influence.

As a noun stern is

a star; a small luminous dot that can be seen on the night sky.

As a noun stern

is a star; a small luminous dot that can be seen on the night sky.

As nouns the difference between stern and strick

is that stern is a star; a small luminous dot that can be seen on the night sky while strick is a flat piece of wood used for levelling off grain in a measure; a strickle.

As nouns the difference between spartan and stern

is that spartan is a red apple cultivar from british columbia, canada while stern is a star; a small luminous dot that can be seen on the night sky.

As a proper noun spartan

is a citizen of sparta.

As an adjective spartan

is of or relating to sparta or its citizens.

As nouns the difference between dominant and stern

is that dominant is the fifth major tone of a musical scale (five major steps above the note in question); thus G is the dominant of C, A of D, and so on while stern is the rear part or after end of a ship or vessel.

As adjectives the difference between dominant and stern

is that dominant is ruling; governing; prevailing; controlling while stern is having a hardness and severity of nature or manner.

As a noun stern

is a star; a small luminous dot that can be seen on the night sky.

As an adjective deck is

thick.

As nouns the difference between lenient and stern

is that lenient is (medicine) a lenitive; an emollient while stern is a star; a small luminous dot that can be seen on the night sky.

As an adjective lenient

is lax; tolerant of deviation; permissive; not strict.

As an adjective unhappy

is not happy; sad.

As a noun stern is

a star; a small luminous dot that can be seen on the night sky.

As nouns the difference between stern and reprimand

is that stern is a star; a small luminous dot that can be seen on the night sky while reprimand is a severe, formal or official reproof; reprehension, rebuke, private or public.

As a verb reprimand is

to reprove in a formal or official way.

As a noun stern

is a star; a small luminous dot that can be seen on the night sky.

As a verb irritated is

(irritate).

As an adjective irritated is

experiencing a feeling of irritation.