つよつよ

noun-modifying (irregular)

strong; powerful; outstanding

Internet slang used as a prenominal adjective to describe something or someone as overwhelmingly strong, powerful, or excellent. Often used in gaming, anime, and online communities.

• このキャラはつよつよだから、初しょ心しん者しゃにおすすめ。

  This character is super strong, so I recommend it for beginners.

• つよつよ装そう備びを手てに入いれた。

  I got some really powerful gear.

adverb taking the 'to' particle

exceedingly strong; perfectly fit

Archaic adverbial use, now obsolete. Describes something being extremely strong or perfectly fitting. Not used in modern Japanese.

• 古こ文ぶんでは「つよつよと」のように使つかわれた。

  In classical Japanese, it was used as 'tsuyotsuyo to'.