300th

After two ninety-nine

The ordinal form of 300, indicating position three hundred in a sequence: the 300th anniversary of the city's founding, She was the 300th person to cross the finish line.

Like other large ordinals, it typically marks milestones or commemorations rather than literal counting.

celebration

tercentenary

300th anniversary milestone

commemoration · festivity · ceremony · pageant · festival · banquet · convocation · observance · dedication

ordinal

tercentenary

300th anniversary milestone

position · sequence · placement · numeration · standing · index · serial · succession · precedence

anniversary

tercentenary

300th anniversary milestone

milestone · legacy · heritage · founding · establishment · institution · continuity · tradition · longevity · historical

milestone

tercentenary

300th anniversary milestone

achievement · marker · threshold · juncture · record · accomplishment · pinnacle

Opposites
ordinal position extremity

300th1st

Earliest in order

first · last · final · initial · ultimate

Phrases
Family

three, third

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G