Antonyms for unnoteworthy:
adj. usual, everyday
adj. average; not distinctive
adj. ordinary
adj. monotonous, dull
adj. ordinary
Examples of uses:
The observation might seem unnoteworthy to the casual, but it carried them all around the room again.
source
Title: Queed, author: Henry Sydnor Harrison, url: http://www.gutenberg.org/files/14303/14303-h/14303-h.htm
