The best answer is rough. The relationship between the first pair of words, tall and short, is that of antonyms—words that have opposite meanings. Therefore, the second pair of words must also be antonyms. Rough is an antonym for smooth.
January 11 Analogy Quiz | January 13 Analogy Quiz
About Infoplease, Part of FEN Learning
© 2000–2016 Sandbox Networks, Inc., publishing as Infoplease