on vs off

Definitions

adverb

1. in a state required for something to function or be effective
2. indicates continuity or persistence or concentration
3. with a forward motion

adjective

1. (of events) planned or scheduled
2. in operation or operational

Examples

The buildings are usually gabled, with rows of tiles along the ridges of the roofs.

If you wonder about ‘furphy’, as I did, here's a gloss and explanation.

Richardson, are proprietors of shows, and the berouged, bedraggled creatures who exhibit on the platform outside for their living.

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Definitions

adverb

1. at a distance in space or time
2. no longer on or in contact or attached
3. from a particular thing or place or position (`forth' is obsolete)

adjective

1. not performing or scheduled for duties
2. not in operation or operational
3. below a satisfactory level
4. in an unpalatable state
5. (of events) no longer planned or scheduled

verb

1. kill intentionally and with premeditation

Examples

There were 42 free-kicks, two penalties, four bookings and three players sent off, two of whom had to be escorted from the pitch by police.

The ball rebounded from/off the wall into the pond.

A thin veil of fog had rolled in off the bay, obscuring his view and coating the area in a pale gray-white mist.

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