the quality or state of being a twin, the quality or state of being similar or identical

Formal and Informal Expressions of twinness

In different contexts, you can replace 'twinness' with suitable alternatives. In a more formal setting, 'similarity, identity' is apt. In informal speech or writing, 'sameness' is a commonplace synonym.

twinness: Explore its Definition & Usage

twinness Definition

1the quality or state of being a twin
2the quality or state of being similar or identical

Using twinness: Examples

Take a moment to familiarize yourself with how "twinness" can be used in various situations through the following examples!

Example
The twinness of their appearance was striking.
Example
The twinness of their personalities made them inseparable.

twinness Synonyms and Antonyms

Synonyms for twinness

Phrases with twinness

twinness test
a DNA test used to determine whether twins are fraternal or identical
Example
The twinness test revealed that they were fraternal twins.
twinness bond
the close emotional bond that often exists between twins
Example
Their twinness bond was evident in the way they finished each other's sentences.
twinness paradox
the phenomenon where identical twins raised apart have more similarities than fraternal twins raised together
Example
The twinness paradox has puzzled scientists for decades.

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Summary: twinness in Brief

The term 'twinness' [twɪn.nəs] refers to the quality or state of being a twin, as well as the quality or state of being similar or identical. It can describe physical or personality traits, and is often used in phrases like 'twinness test' and 'twinness bond.' The 'twinness paradox' is a phenomenon where identical twins raised apart have more similarities than fraternal twins raised together.