I. | ̷ ̷ ̷ ̷| ̷ ̷ verb
Etymology: over (I) + strain
transitive verb
1. : to subject to excessive strain
2. : to load until the stress exceeds the elastic limit
intransitive verb
: to subject oneself to excessive strain
II. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷, ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun
: excessive mental or physical strain : a condition resulting from overstraining
a serious bout of overstrain and overwork — A.L.Rowse