I am but a humble beginner in speaking Spanish. No hablo muy bien español.

I equate this new language to a programming language, in which I'm fluent in four and know very well seven.

To understand a programming language, I learn it from a framework-first, words/phrases second approach. I am teaching myself Spanish in the same way.

Today, I researched and documented the nine parts of speech, and while I was working on adverbs, I learned one can make an adverb from an adjective (so long as the adjective can describe an action).

I learned that adding "mente" to an acceptable adjective makes it an adverb. So the adjective "fácil" + "mente" becomes the adverb "fácilmente" (easily).

That said, my question is thus:

Is every word that ends with "mente" this type of adjective compound?

  • In principle the answer is YES but just replace "every" by "every that I can think off right now". You know that human languages share with programming languages that they may have unexpected exceptions.
    – RubioRic
    Commented Mar 26 at 9:57
  • The big difference between computer languages and natural languages is that natural languages are best learned by informal immersion into the culture while programming languages are best learned by a designed learning process, at least at the beinning. Commented Mar 26 at 10:32

1 Answer 1


Only adjectives in feminine form adverbs if "mente" is added to them. "Fácil" has the same form in masculine and feminine but, if different, the feminine will be used:

  • rápido - rápidamente
  • lento - lentamente
  • severo - severamente
  • inesperado - inesperadamente

There are a few words that happen to end in "mente" and are not adverbs, like the second person singular imperative and third person singular present subjunctive of verbs ending in "mentar":

  • lamentar - lamente
  • comentar - comente
  • alimentar - alimente
  • fomentar - fomente
  • fragmentar - fragmente
  • atormentar - atormente
  • implementar - implemente
  • instrumentar - instrumente
  • argumentar - argumente
  • fermentar - fermente
  • cementar - cemente
  • ornamentar - ornamente
  • pigmentar - pigmente
  • reglamentar - reglamente
  • aumentar - aumente
  • segmentar - segmente

And some others like:

  • demente
  • vehemente
  • clemente

which are adjectives.

  • 3
    Buena búsqueda de palabras que no son adverbios!
    – RubioRic
    Commented Mar 26 at 13:17
  • 1
    Note that "vehementemente" is a valid adverb.
    – aerobiomat
    Commented Mar 26 at 16:18
  • 1
    As are "dementemente" and "clementemente"
    – Gustavson
    Commented Mar 26 at 16:27

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