Definition of "unstrained" [un•strained]

• Not strained. (adjective)

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• "It was utterly delightful, just her and her guitar singing four songs, her voice sounding beautiful, completely unstrained, which is the key."
• "The actor finds an unstrained vocal pitch that is as uncanny as it is hilarious."
• "Although they had not seen each other for years, they had instantly been returned to an unstrained intimacy, as unexpected as it was welcome."