This is the 1379th most frequent Dutch word.
uiterlijk
Appearance.
In this sentence, 'uiterlijk' pertains to the external design or physical characteristics of an object, namely the phone.
Het uiterlijk van de nieuwe telefoon is erg modern.
The exterior of the new phone is very modern.
Here, 'uiterlijk' is used as an adverb indicating a deadline or the latest time something will occur.
Uiterlijk om vijf uur ben ik daar.
At the latest, I will be there by five o'clock.
Here, 'uiterlijk' refers to someone's physical appearance, emphasizing how they present themselves.