irritierend
irritating / confusing
Having a disturbing, confusing, or mildly annoying effect on someone.
Das ständige, leise Piepen im Hintergrund war extrem irritierend.
The constant, quiet beeping in the background was extremely irritating.

irritating / confusing
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irritating / confusing
Having a disturbing, confusing, or mildly annoying effect on someone.
Das ständige, leise Piepen im Hintergrund war extrem irritierend.
The constant, quiet beeping in the background was extremely irritating.

'Irritierend' (irritating/confusing) is the present participle of the verb 'irritieren' (to irritate/confuse). Adjectives ending in '-end' always describe that something or someone has a certain effect. Something 'Irritierendes' (irritating/confusing) therefore causes a feeling of irritation in a person.
Ich finde sein Verhalten in letzter Zeit ziemlich irritierend.
I find his behavior lately pretty irritating.
Although 'irritierend' (irritating/confusing) is very similar to the English 'irritating', its meaning is often weaker and broader. It can simply mean 'verwirrend' (confusing), 'verstörend' (disturbing), or 'befremdlich' (strange/disconcerting), and not necessarily 'ärgerlich' (annoying).
Es war irritierend, dass er auf meine Frage nicht geantwortet hat.
It was confusing that he didn't answer my question.
'Irritierend' (irritating/confusing) is very often used in the impersonal construction 'Es ist irritierend, dass ...' (It is irritating/confusing that ...) or 'Es ist irritierend, wenn ...' (It is irritating/confusing when ...) to comment on a situation or behavior.
Es ist irritierend, wenn das Licht die ganze Zeit flackert.
It is irritating when the light flickers the whole time.
annoying
'nervig' and 'irritierend' both describe an unpleasant effect. 'nervig' fits when something is disturbing and makes you annoyed. It is direct and often colloquial. 'irritierend' is used more when something confuses you, makes you uncertain, or seems strange. It can also be mildly annoying, but the focus is not only on annoyance; it is also on confusion. In practical terms: if something gets on your nerves, it is 'nervig'; if something throws you off, it is 'irritierend'.

Morgen wirkt die neue Beschilderung im Büro vielleicht etwas irritierend.
Tomorrow, the new signage in the office might seem a bit confusing.
Wegen der vielen Werbung ist die App auf Dauer ziemlich nervig.
Because of all the ads, the app becomes pretty annoying over time.