Tensing

adjective, tenser, tensest.
1.
stretched tight, as a cord, fiber, etc.; drawn taut; rigid.
2.
in a state of mental or nervous strain; high-strung; taut:
a tense person.
3.
characterized by a strain upon the nerves or feelings:
a tense moment.
4.
Phonetics. pronounced with relatively tense tongue muscles; narrow.
Compare lax (def 7).
verb (used with or without object), tensed, tensing.
5.
to make or become tense.
adjective
1.
stretched or stressed tightly; taut or rigid
2.
under mental or emotional strain
3.
producing mental or emotional strain: a tense day
4.
(of a speech sound) pronounced with considerable muscular effort and having relatively precise accuracy of articulation and considerable duration: in English the vowel (iː) in “beam” is tense Compare lax (sense 4)
verb
5.
(often foll by up) to make or become tense
noun
1.
(grammar) a category of the verb or verbal inflections, such as present, past, and future, that expresses the temporal relations between what is reported in a sentence and the time of its utterance

tense definition

An inflectional (see inflection) form of verbs; it expresses the time at which the action described by the verb takes place. The major tenses are past, present, and future. The verb in “I sing” is in the present tense; in “I sang,” past tense; in “I will sing,” future tense. Other tenses are the present perfect (“I have sung”), the past perfect (“I had sung”), and the future perfect (“I will have sung”).