チャレンジcharenji

1. noun, suru verb, intransitive verbtaking on (a challenge); attempt; try; tackling; challenging (someone to a contest)
   テニスにチャレンジすれば？↗

   Why don't you give tennis a try?
2. noun, suru verb, sportsrequesting a video review (of a referee's call)

• Synonym挑戦ちょうせんNeutralSino-Japanese word for a challenge or attempt, at home in both writing and speech; 「チャレンジ」 is the more colloquial, casual choice.
• Synonym挑むいどむWrittenNative verb for challenging an opponent or taking on a hard problem; leans toward written or formal prose, while 「チャレンジ」 feels lighter.
• Related立ち向かうたちむかうNeutralConfronts difficulties or enemies head-on; 「チャレンジ」 stresses making a positive attempt rather than standing against something.
• Related取り組むとりくむNeutralMeans working seriously on a problem, as in 「課題に取り組む」; 「チャレンジ」 stresses boldly trying something new.
• Related対抗たいこうNeutralCompeting or contending against a rival, as in 「対抗意識」; 「チャレンジ」 focuses on the attempt itself.
• Related直面ちょくめんNeutralFacing a difficulty directly, as in 「問題に直面する」— often something one meets passively; 「チャレンジ」 is an active attempt.
• Related対戦たいせんNeutralMeeting an opponent in a match or contest; 「チャレンジ」 is about the challenge or attempt itself.
• Antonym回避かいひNeutralAvoiding or steering clear of something — the opposite of actively taking on a 「チャレンジ」.
• Antonym放棄ほうきNeutralGiving up or renouncing something — the opposite of the positive spirit of trying that 「チャレンジ」 conveys.

In everyday speech, 「チャレンジ」 is the go-to for trying something new. For a formal tone use 「挑戦」, for seriously tackling a problem 「取り組む」, and for facing difficulties 「立ち向かう」 or 「直面」. 「挑む」 suits written prose; 「対抗」 and 「対戦」 are for rivals and matches; 「回避」 and 「放棄」 are the opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 挑戦ちょうせん。
2. 挑戦ちょうせんする。