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Yes, you need a hyphen in "professional-quality" when it is used as a compound adjective before a noun. The hyphen clarifies that "professional" modifies "quality" and together they describe the noun that follows. For example, in "professional-quality equipment," the hyphen helps convey that the equipment meets a certain standard.
What else can I help you with?
Does open house have a hyphen?
It does not need to have a hyphen! :)
Does nineteen need a hyphen?
No, the word "nineteen" does not need a hyphen when written numerically.
Does goodbye need a hyphen?
No
Do you need a hyphen in preworn?
It's not a word in the dictionary, so yes, use the hyphen.
Do the words multi and tasking need a hyphen between them?
I do not believe that multitasking is supposed to have a hyphen.
Do you capitalize after a hyphen?
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
Does the word online need a hyphen?
no
Does Baby sit need a hyphen?
No.
Does speedy buses need a hyphen?
no
Do yoga class need to be in a hyphen?
No
Does in home need a hyphen?
Yes, in-home does need a hyphen. It's two words put together to form a word for a different concept.
Heartfelt does it need a hyphen?
heart-felt
