historic

adj

1. Very important; noteworthy: having importance or significance in history.

   “A historic opportunity”

   “July 4, 1776, is a historic date. A great deal of historical research has been done on the events leading up to that day.”

   “The historical works of Lord Macaulay and Edward Gibbon are in and of themselves historic.”

   “Alongside the nature targets, countries reached a historic agreement to develop a financial mechanism for sharing the benefits from drug discoveries, vaccines and food products that come from digital forms of biodiversity, known as digital sequence information or DSI, after rows about biopiracy in the lead-up to Cop15.”

2. Old-fashioned, untouched by modernity.

   “Sights are thick sown in the counties of York and Nottingham: the former is more historic.”

3. (uncommon)Synonym of historical: of, concerning, or in accordance with recorded history or the past generally (See usage notes.)

   “An high-pac'd Muse treading a lofty march, leades honor enchaind in an Epique pen, grac'd with the furtherance of historique Clio.”

4. Various grammatical tenses and moods specially used in retelling past events.

   “The historic tenses include the imperfect, the pluperfect, and the future perfect.”

noun

1. (obsolete)A history, a non-fiction account of the past.

   “Before the beginnyng of this historic, I haue thought good by waie of a Proeme, to introduce the wordes of an excellent writer called Lodouicus Caelius Rhodoginus.”

2. (obsolete)A historian.