Noun has 1 sense

• deictic(n = noun.communication) deictic word - a word specifying identity or spatial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs; "words that introduce particulars of the speaker's and hearer's shared cognitive field into the message"

Derived form adjective deictic₁

Adjective has 1 sense

• deictic(a = adj.pert) - relating to or characteristic of a word whose reference depends on the circumstances of its use; "deictic pronouns"
Derived form noun deictic₁, noun deixis₁