Definition from Wiktionary, the free dictionary
הכי • (hakhí)
- Most, the most.
- היא הילדה הכי גבוהה בכיתה. — hi hayaldá hakhí gvohá bakitá — She is the tallest girl in the class.
- The adjective introduced by הכי appears in the indefinite state, even though its subject is nearly always semantically definite.
- In more formal Hebrew, the superlative is more commonly expressed by using ביותר (b'yotér), or without an explicit “most”.