1. By bad luck
   - unfortunately, unluckily, alas

See also: regrettable

• inhibit
• inhibited
• inhibition
• inhibitor
• inhibitory
• inhomogeneity
• inhomogeneous
• inhospitable
• inhospitableness
• inhospitably
• inhospitality
• inhuman
• inhuman treatment
• inhumane
• inhumanely
• inhumaneness
• inhumanity
• inhumanly
• inhumation
• inhume
• inhumed
• Inigo Jones
• inimical
• inimically
• inimitability