unstrained
unst·rai·ned
adjective
1.
not placed under psychological stress
- “the campaign would not leave party loyalties unstrained”
2.
Origin
From un- + strained.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.