Correct spelling, explanation: good evening is a conventional expression used at a meeting or parting in the evening. It consists of two words – the adjective and the noun. This phrase shouldn’t be spelled as goodevening, because there’s no reason to write these two words as one.

Definition of good evening:
phrase, expressing good wishes on meeting or parting during the evening
Good evening, how was your day?
I would like to wish you a good evening and a restful night.

Collocations with good evening:
Some most commonly used collocations include: good evening news, good evening, everyone
I always like to catch up on the good evening news to stay informed about current events.
Good evening, everyone. Thank you for coming to tonight’s event.

Incorrect spelling, explanation: you can’t spell this phrase as goodevening because that would be a mistake. The correct spelling is actually good evening – with a space between the two words. It’s always a good idea to double-check the spelling of a word if you’re not sure about it.

Incorrect spelling

Incorrect spelling

Incorrect spelling