the act of stretching or straining.

the state of being stretched or strained.

mental or emotional strain; intense, suppressed suspense, anxiety, or excitement.

a strained relationship between individuals, groups, nations, etc.

(not in current use) pressure, esp. of a vapor.

Mechanics .

the longitudinal deformation of an elastic body that results in its elongation.

the force producing such deformation.

Electricity . electromotive force; potential.

Machinery . a device for stretching or pulling something.

a device to hold the proper tension on the material being woven in a loom.

to subject (a cable, belt, tendon, or the like) to tension, esp. for a specific purpose.

noun

limpness , looseness , relaxation , slack , calmness , contentedness , ease , peace

noun

astriction , balance , constriction , force , pressure , rigidity , stiffness , strain , straining , stress , stretching , tautness , tenseness , tensity , agitation , antsiness , ants in pants , anxiety , apprehension , bad feeling , brunt , concern , discomfort , disquiet , edginess , hostility , jitters * , jumps , nail-biting , nerves , nervousness , pins and needles , restlessness , shakes , suspense , unease , uneasiness , worriment , worry , exertion , spring , tightness