What's the noun for stressed? Here's the word you're looking for.
stress
(biology) A physical, chemical, infective agent aggressing an organism.
(biology) Aggression toward an organism resulting in a response in an attempt to restore previous conditions.
(physics) The internal distribution of force across a small boundary per unit area of that boundary (pressure) within a body. It causes strain or deformation and is typically symbolised by σ or τ.
(physics) Force externally applied to a body which cause internal stress within the body.
(uncountable) Emotional pressure suffered by a human being or other animal.
(phonetics) The emphasis placed on a syllable of a word.
(uncountable) Emphasis placed on words in speaking.
(uncountable) Emphasis placed on a particular point in an argument or discussion (whether spoken or written).