unforˈtunately adverb

1. In an unlucky way
2. By bad luck
3. I'm sorry to say

unforˈtunateness noun

• isomorphisms
• isomorphous
• isomorphous mixture
• isomorphs
• isoniazid
• isoniazide
• isoniazides
• isoniazids
• isonomic
• isonomies
• isonomous
• isonomy
• iso-octane
• isopach
• isopachs
• isopachyte
• isoperimeter
• isoperimeters
• isoperimetrical
• isoperimetries
• isoperimetry
• isopleth
• isopleths
• isopod
• Isopoda