Entry 2 senses · 2 variants Webster, 1913 Intercommunicate · In·ter·com·mu·ni·cate · IPA /ɪn.tə(ɹ).kəˈmjuː.nɪ.keɪt/ v. i. v. t. 01 v. i. To communicate mutually; to hold mutual communication. 1. To communicate mutually; to hold mutual communication. 02 v. t. To communicate mutually; to interchange. 1. To communicate mutually; to interchange.