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Definitions

responsible

[ri-spon-suh-buhl] / rɪˈspɒn sə bəl /
ADJECTIVE
accountable, in charge
Synonyms
STRONGEST
answerable culpable guilty liable pledged subject
WEAK
at fault at the helm authoritative bonded bound bound to carrying the load censurable chargeable compelled constrained contracted decision-making devolving on duty-bound engaged executive exposed fettered hampered held high in authority in control incumbent minding the store obligated obliged on the hook open susceptive sworn to tied to blame under contract under obligation
Antonyms
STRONGEST
innocent right unaccountable
WEAK
excused exempt free immature immune irresponsible untrustworthy
ADJECTIVE
trustworthy, mature
Synonyms
STRONGEST
able capable competent conscientious effective efficient loyal rational reliable sensible
WEAK
adult dependable dutiful faithful firm levelheaded qualified self-reliant sober sound stable steadfast steady tried trusty upright
Antonyms
STRONGEST
impotent incapable incompetent ineffective inefficient inept irresponsible powerless unable unrealistic unreasonable useless weak
WEAK
excused exempt free immature immune untrustworthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nearby is the computer screen of the CAPCOM, or capsule communicator, the person responsible for all direct communication with the astronauts.

From Barron's • Apr. 4, 2026

Even Cook hadn’t seen the primitive versions of the company’s most popular devices since the days when he was responsible for the supply chain to manufacture them.

From The Wall Street Journal • Apr. 3, 2026

On the ground, these teams are led by specialised Combat Rescue Officers, who are fully trained pararescue operators responsible for planning, co-ordinating and executing the recovery missions.

From BBC • Apr. 3, 2026

The agency believes the coyote responsible for the Tuesday and Feb. 11 attacks could also be responsible for one of the other attacks.

From Los Angeles Times • Apr. 3, 2026

If she was old enough to be responsible for all her own actions, she was for sure old enough to use magic, right?

From Anya and the Dragon by Sofiya Pasternack

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.