This is the 9643rd most frequent Japanese word.
脱落
"脱落" means "dropping out" or "falling off."
In this sentence, "脱落" refers to someone dropping out or leaving a group/activity, impacting the team's dynamics.
チームの重要なメンバーが脱落したため、計画が変更された。
A key member of the team dropped out, so the plan was changed.
Here, "脱落" describes the act of someone falling behind or exiting a competition due to incapability or other reasons.
途中で脱落してしまった選手は大会に参加することができません。
The athlete who dropped out halfway could not participate in the tournament.
In this context, "脱落" means that certain elements (points in a discussion) were unintentionally left out or lost in the process.