powerless

Powerless means lacking strength, ability, or authority. If nothing you do stops your dog from barking, you're powerless to make her be quiet.

A person who doesn't have the power they need to accomplish something can be described as powerless. A flustered substitute teacher is powerless to silence a chattering classroom, and citizens who don't vote are powerless to change their elected representatives in Congress. Power, "strength or vigor," can be traced back to a root meaning "power" or "lord." When you add the suffix -less, or "lacking," you get powerless.

Definitions of powerless
1

adj lacking power

Synonyms:
ineffective, ineffectual, uneffective
not producing an intended effect
impotent
lacking power or ability
feeble, nerveless
lacking strength
helpless, incapacitated
lacking in or deprived of strength or power
low-powered
having little power to do work
weak
not having authority, political strength, or governing power
weak
wanting in physical strength
Antonyms:
powerful
having great power or force or potency or effect
effective, effectual, efficacious
producing or capable of producing an intended result or having a striking effect
potent, stiff, strong
having a strong physiological or chemical effect
all-powerful, almighty, omnipotent
having unlimited power
coercive
serving or intended to coerce
compelling
driving or forcing
mighty
having or showing great strength or force or intensity
muscular
having or suggesting great physical power or force
potent, strong
having or wielding force or authority
puissant
powerful
regent
acting or functioning as a regent or ruler
regnant, reigning, ruling
exercising power or authority
strong
having strength or power greater than average or expected
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