imperil /im-perˈil/ (formal)

To endanger

imperˈilment noun

• slanged
• slanger
• slangers
• slangier
• slangiest
• slangily
• slanginess
• slanginesses
• sesamoids
• sese
• seseli
• seselis
• sesey
• sesh
• seshes
• Sesotho
• sesqui-
• sesquialter
• sesquialtera
• sesquialteras
• sesquicarbonate
• sesquicentenary
• sesquicentennial
• sesquioxide
• sesquioxides