obsequiously
🇺🇸
/əbˈsiːkwiəsli/
🇬🇧
/əbˈsiːkwiəsli/
in a way that is overly submissive or ingratiating
He always agreed with his boss, speaking obsequiously to avoid any conflict.
他总是和老板意见一致,谄媚地说话以避免冲突。