plural of ugly American

Alternative letter-case form of ultra-Darwinism

plural of ultra-darwinist

plural of ultra-Darwinist

Alternative letter-case form of ultra-Darwinist

A belief system based heavily on Darwinism and evolutionism. Believers in it see Charles Darwin's work as vital, even all-encompassing, and usually see atheism as an implication of evolution.

A believer in ultra-Darwinism.

(Ireland, historical) A custom that gave tenants of Ulster in Ireland a reasonable expectation of security of tenure as long as they paid their rent, and allowed them to sell the right to occupy their holding to another tenant acceptable to the landlord.

(aviation) A type of airline that tries to keep ticket prices as low as possible, by charging for everything, such as checked-in baggage, carry-on baggage, food, beverages, assigned seat numbers, etc.

(pathology) A type of ulcer caused by the bacterium Mycobacterium ulcerans.