Of a period of time, being particular. / Being a single, unspecified thing; a; any. / Sole, only. / Whole, entire. / In agreement. / The same. / Being a preeminent example.

To cause to become one; to gather into a single whole; to unite.

Others' circumstances seem more desirable than one's own but in reality often are not.

(uncountable, philosophy) The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.

Alternative spelling of twenty-one

The cardinal number one hundred plus one.

(slang, US) information

(US, military, slang) incorrect; false

(linguistics) Initialism of Old Norse. / Abbreviation of Ontario, a province of Canada.

A lake, Lake Ontario, between Ontario province and New York State. / A province in eastern Canada. Capital: Toronto. / A village in the Cayo District, Belize.