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"Deathly" is an adjective which is often translated as "cadavérico", and "deadly" is an adjective which is often translated as "mortal". Learn more about the difference between "deathly" and "deadly" below.
deathly(
dehth
-
li
)An adjective is a word that describes a noun (e.g., the big dog).
1. (fatal)
a. cadavérico
We knew something was wrong when we saw the deathly expression on Juana's face.Supimos que algo estaba mal cuando vimos la expresión cadavérica en el rostro de Juana.
b. sepulcral
The first thing Rob noticed when he walked out his door was the deathly silence on what was a normally busy street.Lo primero que notó Rob cuando salió de su casa fue el silencio sepulcral en lo que normalmente era una calle concurrida.
c. mortal
The deathly cold had chilled Albert to the bone.El frío mortal había congelado a Albert hasta el hueso.
d. de muerte
The brothers heard a deathly shriek from the direction of the cemetery.Los hermanos oyeron un chillido de muerte desde la dirección del cementerio.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
2. (fatally)
a. mortalmente
David really tried to pay attention, but the class was deathly boring.David realmente trataba de poner atención, pero la clase era mortalmente aburrida.
b. fatalmente
Unfortunately, many people were deathly wounded.Desafortunadamente, muchas personas resultaron fatalmente heridas.
deadly(
dehd
-
li
)An adjective is a word that describes a noun (e.g., the big dog).
1. (lethal)
2. (unerring)
a. infalible
Pam has deadly aim with a bowling ball.Pam tiene una puntería infalible con una bola de boliche.
3. (extreme)
4. (religious)
a. capital
He was tormented by the pain of being unable to receive the Eucharist after committing a deadly sin.Estaba atormentado por el dolor de no poder recibir la Eucaristía después de cometer un pecado capital.
5. (colloquial) (very boring)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
a. aburridísimo
Jacobo's party was deadly until the strippers showed up.La fiesta de Jacobo estaba aburridísima, hasta que llegaron las bailarinas desnudistas.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
6. (extremely)
a. de muerte
I arrived deadly tired in Sydney after two days of traveling.Llegué con un cansancio de muerte en Sydney después de viajar por dos días.
b. muy
You've got to be kidding. - No. I'm deadly serious. I'm going to do it.Tienes que estar bromeando. - No, lo digo muy en serio. Lo voy a hacer.
c. terriblemente
This game is deadly boring. Let’s play something else.Este juego es terriblemente aburrido. Vamos a jugar otra cosa.
d. mortalmente
After last night’s party, I’m deadly tired.Después de la fiesta de anoche, estoy mortalmente cansado.
e. completamente
His monologue is funny, but also deadly serious.Su monólogo es chistoso, pero también completamente serio.