au grand sérieux /ō grã sā-ryøˈ/ (French; now très au sérieux /tre-zō/) in all seriousness.

• denizening
• denizens
• denizenship
• denizenships
• den mother
• den mothers
• denned
• dennet
• dennets
• denning
• denominable
• denominal
• denominate
• denominated
• denominates
• denominating
• denomination
• denominational
• denominationalism
• denominationalist
• denominationalists
• denominationally
• denominations
• denominative
• denominatively