old (adj) — sense 2 Of an object, concept, relationship, etc., having existed for a relatively long period of time.: Of a living being, having lived for most of the…
old (adj) — sense 3 Of an object, concept, relationship, etc., having existed for a relatively long period of time.: Of a perishable item, having existed for most of, or…
on (adj) — sense 3 Happening; taking place; being or due to be put into action.: Of a person, used to express agreement to or acceptance of a proposal or challenge made…
one (det) — sense 15 Used for emphasis in place of a.: Being an unknown person with the specified name; see also “a certain”.
one (noun) — sense 8 Used to briefly refer to a noun phrase understood by context: A one-dollar bill.
one (noun) — sense 9 Used to briefly refer to a noun phrase understood by context: One o'clock, either a.m. or p.m.
one (num) — sense 1 The number represented by the Arabic numeral 1; the numerical value equal to that cardinal number.
one (particle) — sense 1 Used at the end of a sentence to highlight the characteristics of someone or something.
one (particle) — sense 3 Used at the end of a sentence to highlight the likelihood of something occurring, as a characteristic of something else.
online (adj) — sense 1 Of a system: connected (generally electrically) to a larger network.: Of a generator or power plant: connected to the grid.
online (adj) — sense 2 Of a system: connected (generally electrically) to a larger network.: Of a computer: actively connected to the Internet or to some other…
online (adv) — sense 4 While online; while in a running or active state, or connected to the Internet.
only (conj) — sense 7 Introduces a clause with negative polarity, often one which upsets the listener's expectations.: Under the condition that; but.