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• Sy
  Sy

  noun

  a male given name, form of Seymour, Simon, or Silas.
• sy-
  sy-

  variant of syn- before s followed by a consonant and before z: systaltic; syzygy.
• -sy
  -sy

  a suffix forming nouns or adjectives, sometimes a diminutive of the base word and usually confined to informal and jocular use (bitsy; footsie; halvsies ); adjectives formed with -sy may be ironic, implying that the quality in question is self-consciously assumed or feigned (artsy; cutesy; folksy ). The combination of -s and -y or -y in certain words (antsy; gutsy ) should perhaps be considered further instances of this suffix.
• SY
  SY

  abbreviation

  Seychelles (international car registration)
• sy
  sy

  abbreviation

  Syrian Arab Republic

Sy

¹ American  

[sahy] / saɪ /

noun

1. a male given name, form of Seymour, Simon, or Silas.

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sy- ² American  

1. variant of syn- before s followed by a consonant and before z: systaltic; syzygy.

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-sy ³ American  

1. a suffix forming nouns or adjectives, sometimes a diminutive of the base word and usually confined to informal and jocular use (bitsy; footsie; halvsies ); adjectives formed with -sy may be ironic, implying that the quality in question is self-consciously assumed or feigned (artsy; cutesy; folksy ). The combination of -s and -y or -y in certain words (antsy; gutsy ) should perhaps be considered further instances of this suffix.

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SY ¹ British  

abbreviation

1. Seychelles (international car registration)

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sy ² British  

abbreviation

1. Syrian Arab Republic

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Etymology

Origin of -sy

Perhaps originally two distinct suffixes, one diminutive (as in Betsy, popsy, tootsy ) and the other adjectival; sources of both are uncertain

Example Sentences

"The trust the ECI once commanded almost unquestioningly is now under greater public scrutiny," former chief election commissioner SY Quraishi wrote in the Indian Express newspaper.

From BBC • Aug. 22, 2025

Sandy Young, founder of SY Financial Group in Hampstead, Maryland, acknowledges the importance of factoring longevity into your calculations.

From US News • Sep. 9, 2016

Homeland Security spokesman SY Lee said that his agency is coordinating efforts to strengthen grid cybersecurity nationwide and to raise awareness about evolving threats to the electric sector through industry trainings and risk assessments.

From Washington Times • Dec. 21, 2015

But a Department of Homeland Security spokesman, SY Lee, said that the US offers protection for those who fear harm in their home countries through a variety of channels.

From The Guardian • Oct. 12, 2015

The man referred to above, signed "SY," and he had about as much judgment as a two year old kid.

From Danger Signals Remarkable, Exciting and Unique Examples of the Bravery, Daring and Stoicism in the Midst of Danger of Train Dispatchers and Railroad Engineers by Hill, John A.