It means not noticed
un- is usually a prefix meaning not
if you mean the stem un-, then the meaning is not. As in unprofound, or unequal.
The prefix un- means not. For instance, unacceptable means not acceptable.
The prefix is "un" meaning "not"
the prefix for unlike is -un
The prefix un added to the beginning of a word changes the meaning of the root word to mean non or not.Example: Unzip, Undone, Undress
The prefix "un-" typically means "not" or "opposite of," while "i-" is a prefix meaning "not" as well. "Acute" refers to something sharp or intense. Combining "un-" and "acute" would suggest something that is not acute, possibly blunt or dull.
The prefix for clasp is Unclasp. Meaning unfasten.
"Un" to give: Unbearable.
No, "un-" is a prefix that is added to words to indicate a negation or reversal of the word's meaning. "Unbelievable" is a word itself, formed by adding the prefix "un-" to "believable."
un-
No, "un-" is a prefix that means not. "Faithful" is a word on its own, and adding "un-" to it changes the meaning to the opposite of faithful.