-osity

Forming nouns, usually abstract, and usually from adjectives in -ous or -ose.

Suffix

  1. Forming nouns, usually abstract, and usually from adjectives in -ous or -ose.
  2. Forming nouns from other adjectives for humorous effect.

Origin

From Middle English -ouste, from Old French -ouseté, from Latin -ōsitās; later modified to the current form. It is equivalent to -ose or -ous + -ity.

Synonyms

-ness -hood -ship -th -itas → -ity -itude -ia -itia -ability -ibility -icity

Derived

callosity credulosity curiosity generosity impetuosity incredulosity luminosity monstrosity pomposity porosity preciosity religiosity scrupulosity sinuosity venomosity virtuosity viscosity bellicosity grandiosity jocosity verbosity animosity bogosity randomosity