comparative - longer superlative - longest
Nghiên - meaning "inclined". 7 letters. That's the longest one-syllable word in Vietnamese
Piano, adagio.
adaigo
Slow and fast are antonyms; a synonym is a word with a similar meaning.
The longest word in the english language is 189,819 letters long. The word itself is another name for titin, the largest known protein.
India
In Greek, "argos" means "lazy" or "idle." The word is often used to describe someone who is inactive or sluggish.
The word retard means to slow down. The literal meaning is slow or slowed.
slow, steady, regular, measured, slow but sure, plodding, ongoing, continuing
That would be 'anticonstitutionnelles' (fem. plural) meaning 'against the constitution'. The adverb 'anticonstitutionnellement' is the French longest word.
PNEUMONO­ULTRA­MICRO­SCOPIC­SILICO­VOLCANO­CONIOSIS is the longest word in the Chambers, Webster's and Random House dictionaries. It is seen by some other dictionaries as a joke or "made up word purely for the purpose of inventing the longest word". The meaning of this word is "a lung disease caused by breathing volcanic dust".