Verb (5-dan, ぶ, intransitive)
1. to fall down; to fall over
あなたも転んだんでしょ？You fell down too, didn't you?
2. to turn out; to play out
oft. as どう転んでも
when read as "ころぶ"
この街はどう転ぶかわからぬ状況にある。This town is in a situation where it is unknown how things will turn out.
3. to abandon Christianity (and convert to Buddhism); to apostatize
in early Japanese Christianity
when read as "ころぶ"
4. to roll; to tumble
5. (for a geisha) to prostitute (herself) in secret