wild basil wild·ba·sil uncommon noun 1. aromatic herb having heads of small pink or whitish flowers; widely distributed in United States, Europe and Asia Synonymswild basilcushion calamintClinopodium vulgareSatureja vulgaris Related words Broader terms herb Parts Clinopodium WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.