1. To fall; to tumble 
2. To demolish; to subvert; to destroy; to reduce to poverty; to ruin 
3. To cause to fall; to cast down

1. Involved in ruin; ruined

Derived forms: ruinating, ruinated, ruinates

• oct-
• octa-
• octad
• octadecanoic acid
• octagon
• octagonal
• octahedral
• octahedron
• octal
• octal digit
• octal notation
• octal number system
• octal numeration system
• octameter
• octane
• octane number
• octane rating
• octanedioic acid
• octangular
• Octans
• octant
• octave
• Octavian
• octavo
• octennial