Sonorous: An imposingly deep and full sound.

Sonorous

Hiraeth: A homesickness for a home you can't return to, or that never was.
A 
<a href="http://www.bbc.co.uk/wales/arts/yourvideo/media/pages/val_bethell_01.shtml">Welsh word without direct English translation</a>

Hiraeth

Epiphany: A moment of sudden revelation.

Epiphany

Dappled: Marked with spots or rounded patches.

Dappled

Aquiver: Quivering, trembling.

Aquiver

Luminescence: Light products by chemical, electrical, or physiological means.

Luminescence

Serendipity: The chance occurrence of events in a beneficial way.

Serendipity

Supine

Ephemeral: lasting for a very short time.

Ephemeral

Petrichor: The pleasant, earthy smell after rain.

Petrichor

Effervescence: bubbles in a liquid.

Effervescence

Illicit: Not legally permitted.

Illicit

Sonder: the realization that each passerby has a life as vivid and complex as your own.

Sonder

Ethereal: Extremely delicate, light, not of this world.

Ethereal

Nefarious: Wicked, villainous, despicable.

Nefarious

Ineffable: Too great to be expressed in words.

Ineffable

Kerfuffle: A commotion or fuss, especially one caused by conflicting views.

Kerfuffle

Somnambulist: A person who sleepwalks.

Somnambulist

Limerence: The state of being infatuated with another person.

Limerence

Vellichor: the strange wistfulness of used bookshops.

Vellichor

Eloquence: the art of using language in an apt, fluent way.

Eloquence

Cromulent: 
<ul>
<li>Appearing legitimate but actually being spurious.</li>
<li>A word that embiggens the soul.</li>
</ul>

Cromulent

Picturesque: visually attractive, especially in a quaint or pretty style.

Picturesque

Denouement: the resolution of a narrative.

Denouement

Bombinate: To make a humming or buzzing noise.

Bombinate

Iridescent: Producing a display of rainbowlike colors.

Iridescent

Oblivion: the state of being unaware of what is happening around you.

Oblivion

Syzygy: an alignment of celestial bodies.

Syzygy

Incandescence: light produced by high temperatures.

Incandescence

Phosphenes: the light and colors produced by rubbing your eyes.

Phosphenes

Defenestration: the act of throwing someone out of a window.

Defenestration

<ul>
<li>This lyrical word refers to something that is sweet, smooth and enjoyable, especially when it comes to sound. </li>
<li>You might find the early spring sounds of chirping birds to be quite mellifluous.</li>
</ul>

Mellifluous

Epoch: A particular period of time in history or a person's life.

Epoch

Solitude: a state of seclusion or isolation.

Solitude

Originally the name of the Roman goddess of sunrise, the word <a href="https://www.merriam-webster.com/dictionary/aurora">aurora</a> is now used to describe the dawn, as well as the stunning luminous phenomenon that takes place in the upper atmosphere of a planet's magnetic polar regions. For example, you may have a trip to see the Aurora Borealis as <a href="https://bestlifeonline.com/things-to-do-before-you-die/">an item on your bucket list</a>.

Aquiver

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