i-adjective
well; in good health; safe; without incident
Often used in the adverbial form つつがなく to mean 'without any trouble' or 'safely'. Describes a state free from illness, accident, or mishap. Somewhat formal and literary.
皆様がつつがないことをお祈り申し上げます。
I pray that everyone is in good health.
旅の間、つつがなく過ごせました。
I was able to spend the trip safely and without incident.