I. səb-ˈjən(k)-tiv adjective
Etymology: Late Latin subjunctivus, from Latin subjunctus, past participle of subjungere to join beneath, subordinate
Date: 1530
: of, relating to, or constituting a verb form or set of verb forms that represents a denoted act or state not as fact but as contingent or possible or viewed emotionally (as with doubt or desire)
the subjunctive mood
II. noun
Date: 1622
1. : the subjunctive mood of a language
2. : a form of verb or verbal in the subjunctive mood