13-letter words that end in ial
- nonmanagerial — pertaining to management or a manager: managerial functions; the managerial class of society.
- nonprovincial — Not restricted to a small region; not done in isolation.
- nonsequential — characterized by regular sequence of parts.
- nontangential — pertaining to or of the nature of a tangent; being or moving in the direction of a tangent.
- onomatopoeial — (obsolete, rare) Of or pertaining to onomatopoeia.
- overpotential — overvoltage.
- parapophysial — of or relating to a parapophysis
- post-colonial — of or relating to the period following a state of colonialism.
- post-prandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- preindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- premillennial — of or relating to the period preceding the millennium.
- progenitorial — characteristic of a progenitor
- propraetorial — of, or relating to, a propraetor
- proprietorial — the owner of a business establishment, a hotel, etc.
- prosecutorial — of or relating to a prosecutor or prosecution: prosecutorial zeal.
- pseudo-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- quindecennial — of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
- semi-official — having some degree of official authority.
- subepithelial — any animal tissue that covers a surface, or lines a cavity or the like, and that, in addition, performs any of various secretory, transporting, or regulatory functions.
- subequatorial — of, relating to, or being a region near the equatorial region.
- synarthrodial — synarthrosis.
- tercentennial — pertaining to 300 years or a period of 300 years.
- tricentennial — pertaining to 300 years or a period of 300 years.
- uninfluential — having or exerting influence, especially great influence: three influential educators.
- unministerial — not befitting a minister, esp relating to a head of a government department
- unsubstantial — not substantial; having no foundation in fact; fanciful; insubstantial: an unsubstantial argument; unsubstantial hopes.
- unsuperficial — external or outward: a superficial resemblance.
- unterrestrial — not terrestrial; not of or pertaining to this world; other-worldly; extra-terrestrial; heavenly
- ventriloquial — of, relating to, or using ventriloquism.
- york imperial — an American variety of yellow or green apple with red stripes.