This is the 4934th most frequent Japanese word.
短い
Short.
短い is used to describe the physical length of the road, indicating it is small in distance.
この道は短いです。
This road is short.
短い is applied to the duration of the speech, emphasizing it was brief in time.
彼のスピーチは短かった。
His speech was short.
短い describes the temporal length of the summer, specifying it lasted for a relatively short period.