5 Answers

Adjective
(esp. of a muscle or someone's body) Stretched tight or rigid.

Verb
Become tense, typically through anxiety or nervousness: "her body tensed up".

Noun
A set of forms taken by a verb to indicate the time (and sometimes also the continuance or completeness) of the action in relation to...: "the past tense"

Synonyms
adjective. taut - strained - tight - uptight
verb. strain - tauten - stretch - tighten
noun. time - season - weather - period

Wiki

Me, w/o my morning coffee..........

and there is past tense...  That would be how we felt yesterday! 

My neck and shoulders, stressful relationships,  all the Die Hard movies, stuff like that.

Right now that would describe how I am feeling.  very tense