est shortest 最短的 (short 變化形) [Card #26; 字卡第26張: 第1個單字]

[superlative] The suffix -est means "the most". 字尾加 est 變成最高級
Some more examples（更多例字）：fastest, shortest, softest, lightest, brightest, straightest, greatest, oldest, coldest, closest, kindest, loudest, roundest, fullest, tallest, smallest, smartest, stillest, fairest, weakest, dearest, nearest, clearest, cleanest, meanest, soonest, poorest, smoothest, freshest, richest, longest, strongest, toughest, warmest, darkest, sickest, thickest, quickest, deepest, highest, slightest, fewest, newest, narrowest, lowest, slowest, biggest, hottest, maddest, saddest, funniest, happiest, prettiest, easiest, busiest, luckiest, earliest, healthiest, latest, largest, finest, nicest, widest, wisest, simplest

◊ 通常直接在字尾加 est（例如 fast → fastest）
◊ 形容詞字尾是e：只要加 st（例如 pure → purest）
◊ 一音節的形容詞，單一母音字母+一個子音字尾：重複子音字尾，再加 est（例如 big → biggest）
◊ 形容詞字尾為y：把y改為i，再加 est（例如 happy → happiest）

比較級 & 最高級