v. t. [ 1st pref. un- + strain. ] To relieve from a strain; to relax. B. Jonson. [ 1913 Webster ]
a. [ Pref. un- not + strain. ] 1. Not strained; not cleared or purified by straining; as, unstrained oil or milk. [ 1913 Webster ]
2. Not forced; easy; natural; as, a unstrained deduction or inference. Hakewill. [ 1913 Webster ]