How to say "quest" in Japanese

• 探求たんきゅうCommon
  noun, suru verb, transitive verbCovers quest in the sense of an earnest, sustained search or pursuit — a quest for truth, knowledge, or meaning — rather than the adventure or game sense; it is a common word.
  その問題もんだいはまだ十分じゅうぶんに探求たんきゅうされていない。↗

  The subject has not yet been fully explored.
• クエスト
  nounA less common loanword for quest in the gaming sense — a mission or adventure in a game, especially a role-playing game; outside games it is seldom what you want.

Use 探求 for a quest in the sense of an earnest pursuit or search, as for truth or knowledge, and 「クエスト」 for the quest of games, especially role-playing games.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 探求たんきゅうsearch
• クエストquest (esp. in role-playing games)