I. -ŋ(k)tiv adjective
Etymology: Latin injunct us + English -ive
1.
a. : constituting an order, prohibition, or admonition : enjoining
this injunctive maxim — C.H.Hamburg
b. : constituting a mood or set of verb forms usually with imperative, optative, or subjunctive meaning
2. : of or relating to a legal injunction
injunctive relief was not available to the state — New Republic
an injunctive order
II. noun
( -s )
: the injunctive grammatical mood or a verbal form expressing it