Lautmalerei.

It's just the German word for onomatopoeia (which also exists in the German language). It could be directly translated into soundpainting I suppose?

Dificilisimo. Spanish word meaning very difficult. I just love the way it sounds though.

I like the word “Unexpurgated”.

Scots is full of wonderful words - glaiket, baffies, birl, coorie - it's hard to pick a favourite. But I'll go for "thrawn" - it's a kind of perverse stubbornness, a grim grip on a point of view.

I have a few favorite ones in english (which is not my first language) of the top of my head:

-Document/documented (I particularly like the Q sound of the second syllable and the cadence of the pronunciation)

-Cocoon. (Just great. Satisfying to say. Makes me feel cosy. 10's across the board)

-Gazebo. (Very removed from the usual sounds of my native language, unusual but fun)

Edited to add:

In spanish: Panóptico (panopticon) also satisfying to sat and with good cadence

I have 2, spangled and gumption.

Tmesis. Breaking up a word and inserting another word.

Like absolutely becomes....

Abso-bloody-lutely.

Don't think it has to be a swear word, but it seems most common. :)

Spruce

Supercalifragilisticexpialidocious (I hope I spelt that right)

Gruntled. It means pleased or contented. It’s the positive form of the much more common “disgruntled”. If someone is caught in the rain, they may be disgruntled about being wet. But you very rarely hear the word “gruntled” used.

Similarly, “whelmed” is a word, which basically means “submerged” or “engulfed”. You can be _over_whelmed by emotion, meaning you were completely overtaken and swept away by the emotion. You can be _under_whelmed by an experience, meaning it failed to fully meet your expectations. But you can also just be whelmed. The experience did exactly what you expected; no more, no less.

ointment

Epäjärjestelmällistyttämättömyydelläänsäkäänköhän.

It's the longest word you can make in Finnish without using compounds, which can be infinite length.

It means, very loosely translated "I wonder if the outcome was a result of their lack of ability to cause others to be disorganized. "

I know, Finnish is an enviable language.

Solamente, it just flows so well. It means only in Spanish.

I've always liked the word Adenosine. Not sure why, just fun to say.

English: Spaghettification (being ripped/stretched apart extremely violently)

Oh and almost forgot: Yeet is an actual word now, so that as well.

German: Zeitgeist (so well known you've probably heard it already ["spirit of the times"])

Programming languages: print("lol, lmao even.");

I love the word helicopter, because unobviously, the root words aren’t heli and copter, but are “helico”, meaning spiral, and “pter”, meaning wing.

Waffle not the food just the word. It’s fun to say.

My favorite word is cunt.

Fuck

I love the word trabajaba (pronounced trah-buh-hah-buh). It means “worked” in Spanish.

There are plenty of feminine given names that roll off the tongue incredibly well. Names like "Anna" and "Elaine" and "Katherine" do not begin to scratch the surface... But again, I pay more attention to names than the average person because I am obsessed with linguistics, and that obsession is what made me click this thread and type out a reply in the first place.

antidisestablishmentarianism. its a fun word to say.

Steadfast. As a native English speaker it feels like a very strong, grounded word which also suits its meaning. Originally literally means fixed in place, it's come to mean loyal and unswerving.

Anesthetize

The 'esth' right into a t is just about the coolest combination of word sounds in any word in English.

Second favorite is cwm. :)

Subtle, rhythm, and Wednesday. The spelling is just absolutely wild.

It’s about as messy as old British coins and Roman measures.

Vegemíté, as pronounced by Gloria in Modern Family.

Every time I open the cupboard that has a jar, it brings me joy.

autodefenestration is a fun one

Paraprosdokian. A sentence with a twist in it. Eg. Some people are like slinkies: not really good for much but they bring a smile to your face when you see one tumble down a set of stairs.

Sunwise and widdershins.

The Trinity of Doo: doobie, doofus, doodle.

Brobdingnagian

It's a reference to the giants of Brobdingnag from Gulliver's travels. It means that something is absurdly large. It is also a large word making it delightful in that way. It also rolls off the tongue musically.

Coming in a close second is petrichor or petrichorian.

Petrichor is the word for the smell of the earth right after a rain. Petrichorian obviously means that something smells similar, or can be used to reference petrichor. I love the word for multiple reasons. First that it just sounds wonderful. Second that there's a word for describing this one specific smell that is a universal human experience to anyone not anosmic out of all other smells that are similarly universal.

Third that it approaches onomatopoeia on that it sounds like the way the smell smells. The earthy petri combined with the grounded ring of chor (pronounced like core, and references that the smell is a core thing of rain and earth) is the verbal sound of the way the smell tickles the nose and makes many people walk around sniffing like hounds on a walk through the woods after weeks in the city.

Petri chor. It's like the tinging of raindrops off of a piece of granite or marble in the mountains while you shelter under a tree and revel in the scents of it all.

I mean, it's no Brobdingnagian, but as words go petrichor is a bit magical. It invokes and evokes almost as much as tintinnabulation, but does so for a smell, which is so much harder to do. That, btw, is an excellent word: tintinnabulation. Of the bells, bells, bells, which may be the most enjoyable poem to read aloud, ever.

There's some other words that have the ability to invoke phantoms of their related senses. Cadaverine and putrescine come to mind; both names of chemicals involved in the putrescent smells of decomposition of flesh. Knowing their meaning brings forth memories of their smells. Not quite as effective in that, because you do have to know what they mean for the incantation to work, but still quite wonderful words. Sulfurous is similarly scent summoning. Flinty works as well, but is less musical as it resonates in the oral cavity and echoes off the teeth.

Look, I can do this all day. There's a word for people like me: logophile. There's a fancy word for people that are into words. How awesome is that?!

Oh, that ?! Even has a word! The interrobang! Ain't English awesome?!

And yes, at this point, the entire comment is sigogglin' (or sigoggly, or sigoggledy depending on where in the Appalachians you are), which is a twisty and crooked word for something that is twisty and crooked.

Loquacious, no?