tenseness

(noun) the physical condition of being stretched or strained. Synonyms: tension, tensity, tautness. Examples: "It places great tension on the leg muscles." "He could feel the tenseness of her body."

(noun) (psychology) a state of mental or emotional strain or suspense. Synonyms: tension, stress. Examples: "He suffered from fatigue and emotional tension." "Stress is a vasoconstrictor."