Sentence examples for is optional however from inspiring English sources

That sauce is optional, however, because, when not overcooked, the right cuts of meat — read: relatively fatty cuts — will turn out nice and juicy on their own.

This information is optional, however, so MAGETabulator uses the 'Double Metaphone' phonetic algorithm (Philips, 1990) to match terms used to annotate an experiment to terms from any ontology in OBO format (http://www.geneontology.org/GO.format.obo-1_2.shtml; Smith et al., 2007).

This is optional, however.

A suit vest is optional, however.

A racquetball glove is optional; however, it allows you to grip the racquet more easily.

There is also the chance to rub elbows with some rather prominent folk at the 26-seat dining table, at which dinner is served nightly (and yes, you are obliged to dress; kilts are optional, however).

The paprika and garlic salt are optional, however, and many basic country gravy recipes do not include them.

Substrate is optional,however.

You can log in using your Facebook account by tapping the "Login with Facebook" option; however, logging in is optional.

eBay Authenticate, however, is optional for sellers.

Pain is inevitable for all of us, suffering however is optional.