The phrase "as inoffensive" is correct and usable in written English.
It can be used when comparing something to another thing that is considered not offensive or when describing the nature of something as being non-offensive.
Example: "The comedian's jokes were crafted to be as inoffensive as possible, appealing to a wider audience."
Alternatives: "as harmless" or "as unobjectionable".
The latter was as inoffensive as a scented candle.
I am Nordic walking, which is about as inoffensive as outdoor fitness gets.
Technology as inoffensive as a Pentium II processor, an outdated computer chip, is considered too dangerous to allow into Iraqi hands.
I am sure that you of all people aren't suggesting that all new buildings should be as inoffensive as possible for fear of upsetting people?
With its soft, bleached images and occasional detours into black-and-white stills, "Turn Me On," set in an unspecified recent past, has a gentle oddness as unforced as its performances and as inoffensive as its dialogue.
Debunking the myth that a popular show must be as inoffensive as oatmeal, along comes "The Book of Mormon", which skewers any number of pieties, including religion, Western imperialism and Disney's "The Lion King", all with great music to dance to.The production is the work of Trey Parker and Matt Stone, the men behind the cartoon television show "South Park", now in its 14th year.
The chorus is bare-bones, and the efforts by the current producers to make this version as racially inoffensive as possible seem misguided, given its history.
This show is as bland, inoffensive, and pleasant as a warm milky drink.
Or when there was no Google to ask if you really meant "Renaissance" when you began your research on the "Renisance?" A spelling bee is about as wholesome and inoffensive as prime-time television gets, right?
(Late in the game, Joanna discovers that one of the robot-designers once worked for AOL. "Is that why the women are so slow?" she asks.) Occasionally, as in the film's clever, cautionary view of gay marriage, you might intuit a crackle of genuine satire, but for the most part "The Stepford Wives" is as cheerful and inoffensive as its title characters.
General Motors has put its kitchen-appliance-like Volt through an extruder, resulting in a silhouette as lithe and inoffensive as that of a Honda Civic.
