Words similar to optional

Example sentences for: optional

How can you use “optional” in a sentence? Here are some example sentences to help you improve your vocabulary:

And now--licking optional!
In addition, an optional user-defined energy threshold can operate in conjunction with the default threshold.
The bra is a keener pleasure for being optional.
Optional baseline for units in certain systems.
In addition to the above parameters, a number of optional parameters can be entered: writedir is the directory where the input function is written, cunit (e.g = "micromoles") is the amount unit used in the output plots, gammapar and gammaparmod are the gamma parameter input and model function parameters and syspar is the bolus response function parameters (these 3 inputs are optional, depending on the type of calculation and graphical output).