invite (someone) to engage in a contest
he challenged one of my men to a duel
organizations challenged the government in by-elections
dispute the truth or validity of
it is possible to challenge the report's assumptions
administer an immunogenic or infectious agent to an animal or person, in order to study the resulting immune response or measure the efficacy of a vaccine
the mice were challenged with the influenza virus
Connections NYT: Hints For Today's Puzzle, Mon, Jun 16
Today’s NYT Connections Answers Jun 16, #736 - Daily Updates & Hints
Today’s Wordle Answer Jun 16 #1458- NYT Wordle Hints & Updates
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NYT Strands Today - Hints, Spangram & Answers for June 16
Connections NYT: Hints For Today's Puzzle, Mon, Jun 16
Today’s NYT Connections Answers Jun 16, #736 - Daily Updates & Hints
Today’s Wordle Answer Jun 16 #1458- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Jun 16 Solved
NYT Strands Today - Hints, Spangram & Answers for June 16