She was heaving now, her left side seizing up as if an unsnappable thread were being pulled through it to convulse it.
Source: wiktionary
Unsnappable
Synonyms for "unsnappable"
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
She went to the kitchen and found a knife – she imagined that it would need cutting down; she imagined its fibrous stem would be tough and unsnappable.
Source: wiktionary