scheu
shy
Reserved, anxious, or unsure when dealing with other people.
Das Kind ist Fremden gegenüber sehr scheu und versteckt sich hinter seiner Mutter.
The child is very shy around strangers and hides behind his mother.

shy
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shy
Reserved, anxious, or unsure when dealing with other people.
Das Kind ist Fremden gegenüber sehr scheu und versteckt sich hinter seiner Mutter.
The child is very shy around strangers and hides behind his mother.

The adjective 'scheu' (shy/skittish) belongs to the word family of 'die Scheu' (fear, reserve) and the verb 'etwas scheuen' (to avoid something, to shrink from something).
Er hat keine Scheu, seine Meinung offen zu sagen.
He has no fear of stating his opinion openly.
'Scheu' (shy/skittish) is often used with the preposition 'vor' and the dative to name the reason for the reserve or fear. One is 'scheu vor' (shy/skittish around or afraid of) someone or something.
Viele Wildtiere sind scheu vor Menschen.
Many wild animals are skittish around people.
The word is used for both people and animals. With people, it describes a reserved personality; with animals, it describes natural flight behavior.
Er ist ein eher scheuer Mensch und steht nicht gern im Mittelpunkt.
He is a rather shy person and doesn't like being the center of attention.
open
'offen' and 'scheu' can describe a person's behavior toward others. An 'offene Person' (open person) is receptive and easily approaches new people or situations. A 'scheue Person' (shy person) is more unsure or anxious and holds back. 'scheu' sounds more strongly like fear or insecurity than 'zurückhaltend' (reserved). For people, then, 'offen' is the opposite of keeping a cautious distance.

Ben ist auf der Feier scheu und bleibt lange bei seinen Eltern.
Ben is shy at the party and stays with his parents for a long time.
Nach dem Umzug ist Anna offen für neue Kontakte in der Nachbarschaft.
After the move, Anna is open to making new contacts in the neighborhood.