Adjectives ending in er, form the superlative in errimus. The taste of vinegar is acer, sour; that of verjuice acrior, more sour; the visage of a tee-totaller, acerrimus, sourest, or most sour.
Agilis, docilis, gracilis, facilis, humilis, similis, change is into llimus, in the superlative degree.
Agilis, nimble.—Madlle. Taglioni.
Agilior, more nimble.—Jim Crow.
Agillimus, most nimble.—Mr. Wieland.
Docilis, docile.—Learned Pig.
Docilior, more docile.—Ourang-outang.
Docillimus, most docile.—Man Friday.
Gracilis, slender.—A whipping post.
Gracilior, more slender.—A fashionable waist.