This is the 15298th most frequent German word.
unschlüssig
Uncertain; indecisive.
Here, 'unschlüssig' is used to describe someone's inner indecision regarding a specific action.
Er war unschlüssig, ob er die Einladung annehmen sollte.
He was undecided about whether he should accept the invitation.
In this case, 'unschlüssig' describes the longing, uncertain behavior of the customer affecting the interaction.
Die unschlüssige Haltung des Kunden machte das Gespräch schwierig.
The customer's indecisive attitude made the conversation difficult.
Here, 'unschlüssig' characterizes someone's hesitation in making a choice, emphasizing the situation.