(かっとう)

かっとう
noun
conflict; dilemma; inner struggle
1. conflict; dilemma; inner struggle
A state of mental or emotional struggle between opposing forces or choices.
I'm struggling internally.
There's a conflict between work and family.
I overcame the conflict with him.
I'm torn between chasing my dream and choosing stability.
This novel depicts the protagonist's inner conflict very skillfully.

葛藤(かっとう) describes a deep struggle or conflict — either an internal dilemma (torn between choices) or interpersonal friction.

ETYMOLOGY:
The characters (かつ) (kudzu vine) and (とう) (wisteria) both refer to climbing vines that become tangled together, metaphorically representing entangled struggles.

COMMON PATTERNS:

REGISTER:
Somewhat literary and formal. Common in novels, essays, and psychological discussions. In casual speech, (なや) (to worry/agonize) or (まよ) (to be torn) are more natural for everyday dilemmas.