• Challenge Definition & Meaning🔍
• 75 Synonyms & Antonyms for CHALLENGES🔍
• 10 Challenges🔍
• Challenge.Gov🔍
• 14 Grand Challenges for Engineering🔍
• Grand Challenges🔍
• Grand Challenges for Social Work🔍
• CHALLENGE Definition & Meaning🔍

Challenge Definition & Meaning - Merriam-Webster

The meaning of CHALLENGE is to dispute especially as being unjust, invalid, or outmoded : impugn. How to use challenge in a sentence.

CHALLENGE | definition in the Cambridge English Dictionary

challenge noun (DIFFICULT JOB) ... (the situation of being faced with) something that needs great mental or physical effort in order to be done successfully and ...

75 Synonyms & Antonyms for CHALLENGES | Thesaurus.com

Find 75 different ways to say CHALLENGES, along with antonyms, related words, and example sentences at Thesaurus.com.

10 Challenges - Ocean Decade

10 Challenges. Ocean Decade Challenges for collective impact. null. Challenge 1. Understand and beat marine pollution. Understand and map land and sea-based ...

Challenge.Gov

Challenge.Gov is the official GSA government website supporting prize challenges and prize competitions that are sponsored by the US federal government.

challenges - Merriam-Webster Thesaurus

Synonyms for CHALLENGES: objections, exceptions, complaints, questions, difficulties, protests, criticisms, demurrers; Antonyms of CHALLENGES: sanctions, ...

Challenge - Definition, Meaning & Synonyms - Vocabulary.com

A challenge is something that puts you to the test — like running your first marathon or reading War and Peace.

14 Grand Challenges for Engineering

More videos on YouTube · Advance Personalized Learning · Make Solar Energy Economical · Enhance Virtual Reality · Reverse-Engineer the Brain · Engineer Better ...

Challenges | An Open Access Journal from MDPI

Challenges. Challenges is a transdisciplinary, peer-reviewed, open access journal on planetary health that welcomes contributions addressing any aspect of the ...

Grand Challenges

Solving global health and development problems for those most in need.

Challenge - Wikipedia

Challenge · Voter challenging or caging, a method of challenging the registration status of voters · Euphemism for disability · Peremptory challenge, a ...

Challenge Definition & Meaning | Britannica Dictionary

CHALLENGE meaning: 1 : to say or show that (something) may not be true, correct, or legal dispute; 2 : to question the action or authority of (someone)

MIT Solve | Innovation Challenges | Social Entrepreneurship

MIT Solve's Global Challenges connect social entrepreneurs with the funding and resources they need to drive social impact and solve global challenges.

Grand Challenges for Social Work | Social progress powered by ...

Initiated by the American Academy of Social Work and Social Welfare, the Grand Challenges for Social Work is a groundbreaking initiative to champion social ...

CHALLENGE Definition & Meaning - Dictionary.com

verb (used with object). , chal·lenged, chal·leng·ing. to summon to a contest of skill, strength, etc. ... to take exception to; call in question: to challenge ...

CHALLENGE definition in American English - Collins Dictionary

challenge ... A challenge is something new and difficult which requires great effort and determination. The new government's first challenge is the economy. ... A ...

Strava Challenges

November 5K x Brooks Challenge · Complete a 5 km (3.1 mi) run. · November 10K Challenge · Complete a 10 km (6.2 mi) run. · November Half Marathon Challenge.

Centennial Challenges - NASA

NASA Centennial Challenges offers incentive prizes to generate revolutionary solutions to problems of interest to NASA and the nation.

Global Issues - the United Nations

... challenges, such as AIDS, big data and climate change. While conflict resolution and peacekeeping continue to be among its most visible efforts, the UN ...

Grand Challenges Research Investments

Grand Challenges Research Investments · Democracy · Brain and Neuroscience · Environmental Resiliency and Sustainability · Digital Technology and Society.