naked as the day you were born

7.4

Completely without clothes like at birth

idiom

NSFW

: desnudo como el día en que naciste

When the doctor asked him to change, he felt completely naked as the day he was born, with no clothes on at all.

Examples

The child ran through the sprinklers, laughing and feeling naked as the day he was born, without a care in the world.
They march you in naked as the day you're born, fresh from a Bible reading, skin burning and half-blind from that delousing stuff they throw on you.

Fiction book (1994)
She stood in front of the mirror, feeling naked as the day she was born after taking off her winter coat.

Synonyms

naked

vsnaked as the day you were born

NSFW

982 1.0

Not wearing any clothes on the body

uses a figurative birth image rather than plain wording

nude

vsnaked as the day you were born

NSFW

89 3.7

Not wearing any clothes

adds a vivid birth simile rather than neutral description

raw

vsnaked as the day you were born

NSFW

20 8.5

Completely without clothes

expresses the same idea but via a birth simile

stark naked

vsnaked as the day you were born

NSFW

7 4.6

Completely without any clothes

uses a birth comparison instead of merely emphatic wording

in the buff

vsnaked as the day you were born

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6 9.3

Not wearing any clothes

relies on a birth simile rather than casual buff phrasing

unclothed

vsnaked as the day you were born

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4 3.7

Not wearing any clothes

uses a birth-based simile rather than a general descriptive term

au naturel

vsnaked as the day you were born

NSFW

4 9.6

Not wearing clothes or makeup

uses a birth-based metaphor rather than naturalness emphasis

bare-assed

vsnaked as the day you were born

Offensive

2 9.6

Completely without clothes with the bottom showing

is less crude and uses a birth-based image instead

bare-ass

vsnaked as the day you were born

Offensive

2 9.9

Completely without clothes

uses a cleaner birth simile rather than coarse slang

in one's birthday suit

vsnaked as the day you were born

NSFW

2 8.6

Completely without clothes like when you were born

uses a similar birth image but with different wording

naked as a jaybird

vsnaked as the day you were born

NSFW

2 9.5

Having no clothes on

uses a human birth image rather than a bird comparison

naked as the day one was born

vsnaked as the day you were born

NSFW

7.6

Completely without clothes, as when someone is born

is the source idiom with that birth-based image

in your birthday suit

vsnaked as the day you were born

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8.7

Completely naked

relies on the original birth simile rather than a birthday image

mother-naked

vsnaked as the day you were born

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9.9

Completely without clothes like a new baby

keeps the conventional birth simile instead of this slangy form

in the raw

vsnaked as the day you were born

NSFW

8.8

A person who has no clothes on

expresses the same idea using a birth-based simile

in the altogether

vsnaked as the day you were born

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9.9

A state of having no clothes on

instead uses a birth comparison image to mean the same

starkers

vsnaked as the day you were born

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9.9

A person who has no clothes on

is not regionally marked and uses a birth simile

clothesless

vsnaked as the day you were born

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8.4

Not wearing any clothes

frames the same state with a birth-related image

uncovered

vsnaked as the day you were born

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1.9

Not wearing clothes on a part of the body

focuses on a birth metaphor rather than exposure alone

undressed

vsnaked as the day you were born

NSFW

1.9

A person who is not wearing any clothes

refers specifically to the original birth state without clothes

garmentless

vsnaked as the day you were born

NSFW

8.1

Not wearing any clothes

is idiomatic and uses a birth comparison instead of formality

How Naked

stark naked

NSFW

7 4.6

naked as the day you were born

NSFW

7.4

naked

NSFW

982 1.0

Surface Forms

naked as the day you were born positive

Morphology

naked + as + the + day + you + be + born

The meaning 'completely naked' is directly and transparently derived from combining 'naked' with the simile 'as the day you were born,' which describes the unclothed state at birth. This is a straightforward compositional simile found across languages, so a B1 learner who knows the constituent words would readily infer the intended meaning.

Etymology

Naked as the day you were born uses the clear picture of a newborn baby who is naked on the day you are born, so the phrase simply means 'completely naked'.