However, you can use prefixes to create related words with slightly different meanings:
* Re-flinching: This would imply flinching again, or repeating the action.
* Un-flinching: This means not flinching, showing bravery or determination.
* Pre-flinching: This would suggest flinching in anticipation of something, perhaps before an event.
It's important to note that these are not standard words, but rather created using prefixes to modify the meaning of "flinching."