noun-modifying (irregular)
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.
This character is super strong, so I recommend it for beginners.
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.
I got some really powerful gear.
In classical Japanese, it was used as 'tsuyotsuyo to'.
Rare kanji form; the kana spelling is strongly preferred.
Rare kanji form with iteration mark; the kana spelling is strongly preferred.
An emphatic reduplication of the stem つよ, from 強い.