This is the 443rd most frequent Dutch word.
omhoog
"Up" or "upwards."
The word "omhoog" is used to describe a vertical upward movement.
De lift ging langzaam omhoog naar de bovenste verdieping.
The elevator slowly went up to the top floor.
Here, "omhoog" is used to describe the direction in which the person's gaze is oriented, towards something above.
Hij keek omhoog naar de lucht om de sterren te zien.
He looked up at the sky to see the stars.
In this sentence, "omhoog" describes the upward direction in which the lever is moved.