12-Letter Words Containing: I,T,A,R,D,S

• A disturbance to an otherwise normal biological rhythm (especially that of the heart).

• become (more) democratic; of nations

• introduce democratic reforms; of nations

• involving the fourth and no higher power of a quantity or degree

• an algebraic equation or function of the fourth degree

• an equation of the fourth degree

• a polynomial of the fourth degree

• a motile male gamete of a plant such as an alga or fern or gymnosperm

• the fleshy part of the human body that you sit on

• the part of an animal that corresponds to the human buttocks

• change something so that its value declines; for example, art forms

• declare a child to be illegitimate

• brought into conformity with a standard

• capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability

• an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)

• equally skillful with each hand

• marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another