Under garment should be written as "undergarment" since it is all one word in properly written English.
No, a hyphen is not needed.
without a hyphen idiot
No. Fully, when used as an adverb, is not followed by a hyphen. :)
There should be a hyphen in twenty-three.
I believe anything-American is hyphenated and the hyphen takes the place of ' and. '
You do not use a hyphen when writing square feet. Using a hyphen would make it one word which should not be the case.
no a hyphen doesnt touch rain a hyphen never touches rain at any cicumstances
Yes, "five-day trip" should have a hyphen. The hyphen is used to create a compound adjective that describes the noun "trip." Without the hyphen, it can lead to confusion about whether "five" and "day" are intended to be read together as a single descriptor.
Yes, "year-end" should have a hyphen when used as an adjective, such as in "year-end report." However, when used as a noun, it can be written as "year end" without a hyphen. The hyphen helps clarify that the two words function together as a single descriptive term.
Nah.
No, there shouldn't be.
A hyphen is not required.