This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The event or time of the daily disappearance of the sun below the western horizon.

n. A decline or final phase: the sunset of an empire.

adj. Providing for the automatic termination of a government program or agency unless deliberately reauthorized by law: a state-funded program with a sunset provision.

n. The time of day when the sun disappears below the western horizon.

n. The changes in color of the sky at sunset.

n. The final period of the life of a person or thing.

n. Having a set termination date.

n. The region where the sun sets; the west.

v. To phase out.

n. The descent of the sun below the horizon; also, the time when the sun sets; evening. Also used figuratively.

n. Hence, the region where the sun sets; the west.

n. The descent of the upper limb of the sun below the horizon in the evening; the atmospheric phenomena accompanying the setting of the sun; the time when the sun sets; evening.

n. Hence Figuratively, the close or decline.

n. The region or quarter where the sun sets; the west. Compare sunrising, 2.

adj. providing for termination

n. atmospheric phenomena accompanying the daily disappearance of the sun

n. the daily event of the sun sinking below the horizon

n. the time in the evening at which the sun begins to fall below the horizon

adj. of a declining industry or technology

"I have heard people say the sunset is a lonely time, when fears come out, and apprehensions creep over them ... and all their troubles come trooping home."

last    old    sunsetting   

atmospheric phenomenon    periodic event    recurrent event    time of day    hour   

making sunset    red sunsets   

sundown    nightfall    night    evensong    set    twilight    qualifier    dusk    swansong    final act   

dawn    twilight    sunrise    sunlight    noon    moon    sky    daylight    midnight    rainbow