This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. In tension, strained or pulled on.

v. Simple past tense and past participle of tension.

adj. Extended or drawn out; subjected to tension.

"But don't be afraid to consider more durable modern materials or combinations, such as tensioned cables and lengths of steel bar."

tension