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lightheaded

lightheaded

1 5.6
Not serious or sensible and often acting silly
  • adjective
  • /ˈlaɪtˌhɛdɪd/
  • Informal
translation icon : frívolo
  • Today may be moving too slowly for you, but you can't let yourself get lightheaded.
  • feel lightheaded

Examples

  • Lightheaded.

    Fiction book (1994)
  • Oh, very lightheaded.

  • I wanted them drinking, getting lightheaded.

  • Positively lightheaded.

  • I know I'm making millions, but I liked the Moulin Rouge as she was: Lightheaded and hot-blooded.

  • He could engage in that jovial thievery, that light-fingered, lightheaded trivializing of another person's tragic truth, a practice he abhorred wherever he came upon it.

    Fiction book (1995)
  • When she heard the silly joke, she felt lightheaded and started laughing uncontrollably.

  • His lightheaded antics at the party made everyone smile, even though they were supposed to be serious.

  • Feeling lightheaded after hearing the news, she decided to celebrate with her friends.

Synonyms

silly
vslightheaded
976 1.0

Not sensible and often a little foolish

is the slightly more formal way to describe the same frivolousness
dizzy
vslightheaded
  • Informal
12 3.9

Someone who is silly and not very serious

is the basic neutral term for being frivolous rather than unfocused
giddy
vslightheaded
  • Informal
12 4.4

Acting silly and playful without being serious

is more about general nonseriousness rather than playful mood specifically
empty-headed
vslightheaded
  • Offensive
3 6.3

Silly, not very intelligent and not serious

focuses more on lack of seriousness than on low intelligence
light-headed
vslightheaded
  • Informal
1 5.0

Being silly and not serious in behavior

has identical meaning but is written without a hyphen
airheaded
vslightheaded
  • Offensive
1 7.9

Not thinking carefully and often acting silly

is the neutral description of similar light, nonserious behavior
light-minded
vslightheaded
1 7.9

Shows little care for serious matters and acts without thinking

is similar but emphasizes general frivolousness rather than context of seriousness
addlepated
vslightheaded
  • Archaic
1 9.9

Confused and acting silly with a muddled, forgetful mind

is more about deliberate frivolousness than mere mental confusion
flea-brained
vslightheaded
  • Offensive
1 9.8

Being very silly and not serious

focuses more on light, nonserious behavior than on sheer nonsense
featherbrained
vslightheaded
  • Offensive
8.3

Not serious and likely to make bad choices

is similarly frivolous but stated more neutrally rather than insultingly

Antonyms

452 1.4

Calm and focused, not playful or joking

201 2.7

Showing good judgment and making practical choices

How Frivolous

flighty
9 7.4
giddy
  • Informal
12 4.4
lightheaded
  • Informal
1 5.6
lighthearted
17 3.7
playful
79 1.6

Surface Forms

lightheaded positive
lightheadeder comparative
lightheadedest superlative

Morphology

lightheaded = light + headed (semi-transparent) = light + headed

The figurative sense 'not serious or sensible' is a metaphorical extension of 'light-headed' and may not be fully predictable from the components for all learners.

Etymology

Lightheaded can also mean not serious or sensible, using light ('not heavy' or 'not serious') like in lighthearted. So, lightheaded describes someone who is a bit silly or careless about important things.