Skip to main content
deadly

deadly

24 3.9
To a very high degree
  • adverb
  • /ˈdɛdli/
: extremadamente
  • Oh, I'm deadly serious.
  • deadly serious
  • turned deadly

And then, as you say, go deadly quiet, just say and what else?

Autoplay Next

Examples

  • Everyone is deadly silent as Frank turns to Jeffrey.

    Fiction book (1997)
  • They are deadly serious about spreading their own propaganda.

    Blog text (24)
  • "But if something should happen..." Pancho's face went deadly serious.

    Fiction book (2001)
  • No, you're awake, Bill, and I'm deadly serious.

  • We're deadly serious.

    Fiction book (1997)
  • And when Papa Rudy's angry, he's deadly angry.

  • He's deadly serious.

  • I can't get into specifics, but I can tell you he's deadly serious - about what he'll do to Zach.

  • She looked at him with a deadly serious expression, ready to discuss the urgent matter.

  • When it comes to this issue, the committee is deadly serious about implementing the new policies.

Synonyms

damned
vsdeadly
  • NSFW
306 5.6

Said to make something sound very strong

is a standard intensifier stressing degree rather than informal tone
insanely
vsdeadly
51 3.9

To a very great degree

is a neutral intensifier used to stress excessive degree
deathly
vsdeadly
15 6.2

Extremely in a very strong, usually negative, way

is a neutral intensifier without morbid or severe imagery
frightfully
vsdeadly
  • UK
12 6.0

To emphasize something, like saying very

is a general intensifier not tied to regional speech
obscenely
vsdeadly
8 6.5

In a way that shocks people because it is too large or unfair

is an intensifier that does not imply offensiveness
devastatingly
vsdeadly
6 5.7

In a very strong way that makes something seem impressive

is a broad degree intensifier without specific result focus
terrifyingly
vsdeadly
6 6.5

In a way that is very frightening or very strong to show how serious something is

is a neutral intensifier rather than suggesting fear
horrifically
vsdeadly
5 5.8

In a way that is very strong or extreme

is a plain intensifier that lacks shock or disgust connotation
devilishly
vsdeadly
3 6.2

To a very great degree

is a general intensifier without playful or sly nuance
hellishly
vsdeadly
1 8.8

In a very intense and unpleasant way

is a general intensifier without evil or unpleasant suggestion
overpoweringly
vsdeadly
1 7.4

In a very strong way that is hard to resist

is a general intensifier not implying irresistible force
deucedly
vsdeadly
  • Archaic
1 9.9

Shows that something is very strong or intense

is the common modern intensifier without archaic flavour

Antonyms

87 2.7

To a small, gentle degree

Compounds

deadly sin
  • Formal
15 8.1

A very serious wrong action in Christian belief that leads to spiritual death unless you ask for forgiveness

A poisonous plant with bell-shaped flowers and shiny black or red berries

1 4.6

Poison from an animal, like a snake or frog, that can kill people

How Intense

extremely
∞ 1.0
deadly
24 3.9
quite
∞ 1.0
fairly
801 1.0
slightly
880 1.0

Surface Forms

deadly positive

Etymology

A helpful way to remember the adverb deadly is to think of phrases like 'dead quiet' or 'dead serious', where dead means 'completely', so deadly before an adjective can mean 'very' or 'extremely'.