(geometry) opposite side

equal / no different, virtually same, as good as

understanding (of feelings, opinions, circumstances, etc.)

Contraction of わからない (wakaranai), the informal present negative form of わかる (wakaru).

causative of わかる (wakaru) / (fiction, pornography, vulgar) to "teach someone a lesson" via rough rape

polite negative of わかる (wakaru); negative of わかります (wakarimasu)

(humorous) Alternative form of わかりません (wakarimasen, “I don't know”)

You'll be convinced if you listen to me.

to be evident / to be obvious / to understand completely

分かり切る: to be evident, to be obvious, to understand completely