Si

//siː//

Word Type

Noun

Proper Noun

Adjective

The word "si" can be used as noun, proper noun and adjective.

Word Relationships

Derived Terms

SI prefix SI unit

Context

anatomy electronics fandom slang geography historical medicine music solid state physics technology

Broader Terms (Hypernyms)

metric system semiconducting material semiconductor solfa syllable

Related Terms

Related Terms

china fan fiction imperial major scale p si prefecture solfège various

Synonym Network

silicon sizhou systeme international d unites ti

More for "si"

Meaning Synonyms Word Forms Antonyms

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.