ten·sion n.
The act or process of stretching something tight.
The condition of so being stretched; tautness.
A force tending to stretch or elongate something.
A measure of such a force: a tension on the cable of 50 pounds.
Mental, emotional, or nervous strain: working under great tension to make a deadline.
Barely controlled hostility or a strained relationship between people or groups: the dangerous tension between opposing
military powers.
A balanced relation between strongly opposing elements: the continuing, and essential, tension between two of the
three branches of government, judicial and legislative (Haynes Johnson).
The interplay of conflicting elements in a piece of literature, especially a poem.
A device for regulating tautness, especially a device that controls the tautness of thread on a sewing machine or loom.
Electricity. Voltage or potential; electromotive force.
When asking people what they thought of when they thought of the word tension I received the following responses: bridges, wire, anxiety, stress, sex, pain, racial tension, sexual tension, stretching, and tense shoulders.
Referenced to a thesaurus, examples of synonyms include constriction, balance, pressure, strain, discomfort, and suspense.