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.

Founded in 2020 by Cancer Research UK and the National Cancer Institute, Cancer Grand Challenges brings together leading research teams from around the world to address the most difficult problems in cancer science.

From Science Daily • Jan. 24, 2026

Challenges with access to credit and capital were among the top concerns raised by respondents to a Federal Reserve survey of small-business resource organizations earlier this year.

From The Wall Street Journal • Dec. 3, 2025

Challenges in the Chinese economy were further highlighted by official data Friday that showed factory activity shrinking in October for the seventh month in a row.

From Barron's • Oct. 31, 2025

Challenges with school transport have been reported elsewhere in Wales as the new academic year gets under way.

From BBC • Sep. 5, 2025

Challenges to the system will be easily absorbed or deflected, and the accommodations made will serve primarily to legitimate the system, not undermine it.

From "The New Jim Crow" by Michelle Alexander