Si

See also: Appendix:Variations of "si"

Translingual

Symbol

Si

1. (chemistry) Chemical symbol for silicon.

English

Etymology 1

From clipping of various words beginning with the syllable /saɪ/.

Pronunciation

• IPA^(key): /saɪ/
• Rhymes: -aɪ

• Audio (US):

  (file)

• Homophones: sigh, sie, sai, psi, xi, scye, Sy, Cy, Si

Proper noun

Si

1. A diminutive of the male given name Simon.
2. A diminutive of the male given name Silas.

Alternative forms

• Sy

Etymology 2

From the Hanyu Pinyin romanization of the Mandarin 泗 (Sì) and Mandarin 肆 (Sì).

Pronunciation

• IPA^(key): /sɪ/, /sə/

Proper noun

Si

1. A river in Shandong, China.
2. A county of Suzhou, Anhui, China.
   • [2018 December 26, Mandy Zuo, “Christmas linked to China’s past humiliation by foreign invaders in speech to primary schoolchildren”, in South China Morning Post‎^[1], →ISSN, →OCLC, archived from the original on 20 October 2024, China/People & Culture:

     Dong Xuefeng, head of the Huangwei Township Central School in Sixian County, Anhui province, told a school gathering on Monday that Christmas was a disgrace to the Chinese people because of past humiliations inflicted on the nation by mostly Christian invaders.]

   • 2022 July 4, Sophie Yu, Stella Qiu, Ryan Woo, “Eastern China cities tighten COVID curbs as new clusters emerge”, in William Mallard, editor, Reuters‎^[2], archived from the original on 05 July 2022, Healthcare & Pharmaceuticals‎^[3]:

     Si county in Anhui province locked down its 760,000 residents and suspended public traffic as it reported 288 cases on Saturday.

   • 2022 July 5, Zixu Wang, “Covid Outbreak Emerges in China’s Anhui Province”, in The New York Times‎^[4], →ISSN, →OCLC, archived from the original on 2022-07-05, The Coronavirus Pandemic‎^[5]:

     Most of Anhui’s cases were identified in Suzhou’s Si County, where on Wednesday the authorities ordered its 760,000 residents to refrain from going out unless it was necessary.

3. (historical) Various prefectures of imperial China.

Alternative forms

• Su, Ssu

Synonyms

• (county): Sixian, Ssu-hsien
• (prefectures): Sizhou, Ssu-chou

Etymology 3

Pronunciation

• enPR: sē

Proper noun

Si

1. Alternative form of Xi

Further reading

• “Si”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

Anagrams

• 'is, I's, IS, Is, i's, is, is-, is.

Alemannic German

Etymology

See si (“they”). Cognate with German Sie.

Pronoun

Si

1. (polite) you (singular and plural)

Declension

Alemannic German personal pronouns

			nominative	accusative	dative	possessive m
singular	1st person		ich, i	mich, mi	mir, mier, mer	min, miin
	2nd person	familiar	du	dich, di	dir, dier, der	din, diin
		polite	Si		Ine, Ene, -ne	Ire
	3rd person	m	er	in, en	im	sin, siin
		f	si		ire
		n	es, 's, -s		im	sin, siin
plural	1st person		mir, mer	üs, öis, ois, eus		üse, öise, oise, euse
	2nd person		ir, ier	öi, eu		öie, eure
	3rd person		si		ine, ene, -ne	ire

East Central German

Etymology

Compare East Franconian Si, German Sinn.

Noun

Si m

1. (Erzgebirgisch) sense
2. (Erzgebirgisch) meaning, sense
3. (Erzgebirgisch) point, idea, tenor
4. (Erzgebirgisch) mind, consciousness
5. (Erzgebirgisch) feeling

Further reading

• Christian Friedrich Röder, Erzgebirgiſche Zufriedenheit http://andreas-romeyke.de/BunteBilder/bunte_bilder.chunked/ch88.html

Limburgish

Pronunciation

• IPA^(key): /ziː/
• Homophone: si
• Rhymes: -iː

Etymology 1

From Proto-West Germanic *sīdā, from Proto-Germanic *sīdǭ.

Noun

Si f (plural Sijje) (Eupen)

1. (geometry, and in general) side (a bounding straight edge of a two-dimensional shape)

   Synonym: Kaïnt

2. (geometry) face, side, surface of any three-dimensional object
3. page (single leaf of any manuscript or book)
4. side (one of the two surfaces of a sheet of paper)
5. one side or half of something or someone
6. (figuratively) a certain aspect of a concept
7. (figuratively) side, faction or group of competitors in a war, game, conflict or any other competitive situation in opposite to their opponents
8. face of a coin or dice

Etymology 2

From Old Limburgish sīda, from Medieval Latin sīda, sēta, from Latin saeta (“horsehair; bristle; silk”).

Noun

Si f (plural Sijje) (Eupen)

1. silk
2. Any of several parasitic vines, of the genus Cuscuta, having small white flowers but no leaves.