Preliminary synonyms such as opening, advance, groundwork, introduction, and opening/prefatory remarks. Preliminary is an adjective, and its antonyms are concluding, closing, and final. Additionally, here are 38 synonyms, related words, and verbs for preliminary.
advance, early, eliminating, experimental, explorative, exploratory, initial, initiatory, introductory, lead-in, opening, pilot, preceding, precursive, precursory, prefatory, preludial, prelusive, prelusory, preparatory, prior, prodromal, prodromic, qualifying, test, and trial.
first round, groundwork, overture, preliminary action, prelude, and preparation.
formalities, introduction, opening, opening/prefatory remarks, and preamble.