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challenges

NOUN

dispute, question

Synonyms

STRONGEST

objection protest test threat

STRONG

claiming confrontation dare defiance demanding demur interrogation provocation remonstrance trial ultimatum

WEAK

summons to contest

Antonyms

STRONGEST

acceptance

STRONG

peace

WEAK

agree answer decide win

VERB

dispute, question

Synonyms

STRONGEST

ask for assert call for claim confront defy demand denounce impose require test try

STRONG

accost arouse beard brave cross dare exact impeach impugn inquire investigate provoke query reclaim stimulate summon tax vindicate

WEAK

call out face down face off face the music fly in the face of hang in insist upon invite competition make a point of make a stand object to search out stand up to stick it out throw down the gauntlet

Antonyms

STRONGEST

deny

STRONG

answer calm dodge ignore

WEAK

agreement decision victory

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.

Scientists have uncovered an unexpected way the immune system can attack cancer, a finding that challenges a long-standing principle in immunology and could lead to new approaches for cancer treatment and bone marrow transplantation.

From Science Daily • Jun. 4, 2026

"We're already working to face the challenges of the new season."

From BBC • Jun. 4, 2026

This outbreak wasn’t detected earlier because of a combination of diagnostic and security challenges.

From The Wall Street Journal • Jun. 3, 2026

Analysts note that Section 301 tariffs have been less vulnerable to court challenges.

From Barron's • Jun. 3, 2026

Horace and Margaret were steadily scribbling away at their assignments, apparently unbothered by Charlie’s challenges.

From "Reaching for the Moon" by Katherine Johnson