nichtmal
not even
Used colloquially to emphasize that even something minimal or expected is not the case. The correct spelling is 'nicht mal'.
Er war so unhöflich, er hat nichtmal 'Hallo' gesagt.
He was so rude, he didn't even say 'hello'.

not even
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not even
Used colloquially to emphasize that even something minimal or expected is not the case. The correct spelling is 'nicht mal'.
Er war so unhöflich, er hat nichtmal 'Hallo' gesagt.
He was so rude, he didn't even say 'hello'.

Although you often see it written as one word, the correct spelling is 'nicht mal' (not even), i.e., two words. The spelling 'nichtmal' is considered colloquial and is incorrect in formal texts.
Ich habe so viel zu tun, ich habe nicht mal Zeit für eine Pause.
I have so much to do, I don't even have time for a break.
The expression 'nicht mal' (not even) normally comes directly before the word or part of the sentence it emphasizes. It strengthens the negation and expresses that even a minimal expectation was not met.
Er hat mir zum Geburtstag nicht mal gratuliert.
He didn't even congratulate me on my birthday.
'Nicht mal' (not even) is typical of spoken language and informal contexts. It often expresses disappointment or surprise.
Das Wetter war so schlecht, wir konnten nicht mal spazieren gehen.
The weather was so bad, we couldn't even go for a walk.