inauguralin·au·gu·ral /ɪˈnɔːgjərəlɪˈnɒː-/ adjectiveadj1inaugural meeting/flight/voyage etc the first in a series of meetings, flights etcThe problem was detected on the plane’s inaugural flight.
2inaugural speech/lecture etc a speech, lecture etc given by a person who has taken up an important position, to introduce themselves and their ideasIn hisinaugural address, the president called attention to the needs of the homeless.