jussive [ˈd͡ʒʌsɪv]noun 2adjective 1forms 1 noun2 •The jussive mood, a verb inflection used to indicate a command, permission or agreement with a request; an instance of a verb so inflected.For example, in the Aaronide blessing, only two of the six verbs are formally jussives, yet all have the same volitional sense. — 1990 •A verbal mood of vague or miscellaneous senses, occurring after some particles and in conditional clauses. adjective1 •Of or in the jussive mood. formsjussives