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Definition of cis

cis

/sɪs/
cis

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cis Lexical Profile

cis Game Scores & Validity

• adjective

1

Having a gender identity that matches the sex assigned at birth; cisgender.

Example

"The community center offers inclusive workshops for both trans and cis participants."


2

Having two functional groups or substituent atoms located on the same side of a carbon-carbon double bond or a ring structure (in organic chemistry).

Example

"Unsaturated fatty acids in natural plant oils typically exist in the cis configuration rather than the trans form."

Synonyms
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Antonyms
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• preposition

1

On this side of; nearer to the speaker or reference point than a specified geographical barrier (used primarily in historical or geographical contexts).

Example

"In ancient Roman geography, territories located cis the Alps were administered differently from those beyond the mountain range."

• Rhymes for cis

Word Origin & Etymology

Borrowed directly from the Latin preposition 'cis', meaning 'on this side of', which is the direct opposite of 'trans' ('across' or 'on the other side of'). The sociological sense emerged in the late 20th century as a clipped form of 'cisgender'.

Cite this Entry


Wordmom. (2026). Definition of Cis. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cis
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