There are 2 definitions of moron in English:

moron1

Syllabification: mo·ron
Pronunciation: /ˈmôrˌän
 
/

noun

informal
A stupid person.
More example sentences
  • Stupid moron, the chances of me falling for anyone at this party were one in twenty million.
  • I bet that those on the receiving end of such behaviour don't mind whether the villains are dubbed cretins or morons.
  • Adam's a damn fool, a moron for not realising what he could be throwing away.
Synonyms
fool, idiot, ass, blockhead, dunce, dolt, ignoramus, imbecile, cretin, dullard, simpleton, clod
informal nitwit, halfwit, dope, ninny, nincompoop, chump, dimwit, dingbat, dipstick, goober, coot, goon, dumbo, dummy, ditz, dumdum, fathead, numbskull, numbnuts, dunderhead, thickhead, airhead, butthead, flake, lamer, lamebrain, zombie, nerd, peabrain, birdbrain, scissorbill, jughead, mouth-breather, jerk, donkey, twit, goat, dork, twerp, hoser, schmuck, bozo, boob, turkey, schlep, chowderhead, dumbhead, goofball, goof, goofus, galoot, lummox, knuckle-dragger, klutz, putz, schlemiel, sap, meatball, dumb cluck, mook

Origin

early 20th century (as a medical term denoting an adult with a mental age of about 8–12): from Greek mōron, neuter of mōros 'foolish'.

Definition of moron in:

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Word of the day envenom
Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous

There are 2 definitions of moron in English:

Morón2

Syllabification: Mo·rón
Pronunciation: /məˈrōn
 
/
A city in eastern Argentina, southwest of Buenos Aires; population 327,600 (est. 2008).

Definition of moron in:

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Word of the day envenom
Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous