--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -358,6 +358,7 @@ runtime/syntax/cabalconfig.vim		@coot
 runtime/syntax/cabalproject.vim		@coot
 runtime/syntax/cf.vim			@ernstvanderlinden
 runtime/syntax/chatito.vim		@ObserverOfTime
+runtime/syntax/chuck.vim		@gacallea
 runtime/syntax/clojure.vim		@axvr
 runtime/syntax/cs.vim			@nickspoons
 runtime/syntax/csh.vim			@cecamp

new file mode 100644
--- /dev/null
+++ b/runtime/syntax/chuck.vim
@@ -0,0 +1,187 @@
+" Vim syntax file
+" Language: ChucK
+" Maintainer: Andrea Callea
+" URL: https://github.com/gacallea/chuck.vim
+" Last Change: 2024 Jan 21 by Andrea Callea
+
+" Sources used for this syntax
+" https://chuck.cs.princeton.edu/doc/language/
+" https://chuck.cs.princeton.edu/doc/reference/
+
+" HISTORY:
+" 2024 Jan 21 - Initial revision
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" https://chuck.cs.princeton.edu/doc/language/type.html
+syn keyword chuckPrimitiveType int float time dur void vec3 vec4
+syn keyword chuckComplexType complex polar
+syn keyword chuckReferenceType Object Event UGen array string
+syn keyword chuckBoolean true false maybe
+syn keyword chuckBoolean null NULL
+
+" https://chuck.cs.princeton.edu/doc/language/oper.html
+syn match chuckOperator "=>"
+syn match chuckOperator "@=>"
+
+syn match chuckOperator "=^"
+
+syn match chuckOperator "+"
+syn match chuckOperator "-"
+syn match chuckOperator "*"
+syn match chuckOperator "/"
+syn match chuckOperator "%"
+syn match chuckOperator "!"
+syn match chuckOperator "&"
+syn match chuckOperator "|"
+syn match chuckOperator "\^"
+
+syn match chuckOperator "+=>"
+syn match chuckOperator "-=>"
+syn match chuckOperator "*=>"
+syn match chuckOperator "/=>"
+syn match chuckOperator "%=>"
+syn match chuckOperator "!=>"
+syn match chuckOperator "&=>"
+syn match chuckOperator "|=>"
+syn match chuckOperator "\^=>"
+
+syn match chuckOperator "&&"
+syn match chuckOperator "||"
+syn match chuckOperator "=="
+syn match chuckOperator "!="
+syn match chuckOperator ">"
+syn match chuckOperator ">="
+syn match chuckOperator "<"
+syn match chuckOperator "<="
+
+syn match chuckOperator ">>"
+syn match chuckOperator "<<"
+
+syn match chuckOperator "++"
+syn match chuckOperator "--"
+syn match chuckOperator "<<<"
+syn match chuckOperator ">>>"
+
+syn keyword chuckOperator new
+
+" https://chuck.cs.princeton.edu/doc/language/ctrl.html
+syn keyword chuckConditional if else
+syn keyword chuckRepeat while do until for each
+
+" https://chuck.cs.princeton.edu/doc/language/time.html
+syn keyword chuckTimeAndDuration samp ms second minute hour day week
+syn keyword chuckTimeAndDuration now later
+
+" these may need some additional keywords I missed, for a future revision
+syn keyword chuckKeyword dac adc
+syn keyword chuckKeyword fun function
+syn keyword chuckKeyword return
+syn keyword chuckKeyword const
+syn match chuckKeyword "@"
+syn keyword chuckKeyword pi
+syn keyword chuckKeyword me
+syn keyword chuckKeyword repeat break continue
+syn keyword chuckKeyword class extends public private static pure this
+syn keyword chuckKeyword spork
+syn keyword chuckKeyword cherr chout
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckBaseClasses Shred Math Machine Std
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckBasicUGen Gain Impulse Step SndBuf SndBuf2
+syn keyword chuckBasicUGen ADSR Envelope Delay DelayL DelayA Echo
+syn keyword chuckBasicUGen Noise CNoise Osc SinOsc TriOsc SawOsc PulseOsc SqrOsc
+syn keyword chuckBasicUGen Phasor HalfRect FullRect
+syn keyword chuckBasicUGen Chugraph Chugen UGen_Multi UGen_Stereo Mix2 Pan2
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckFilterUGen FilterBasic LPF HPF BPF BRF BiQuad ResonZ
+syn keyword chuckFilterUGen OnePole OneZero TwoPole TwoZero PoleZero
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckSTKUGen JCRev NRev PRCRev
+syn keyword chuckSTKUGen Chorus Modulate PitShift SubNoise
+syn keyword chuckSTKUGen BLT Blit BlitSaw BlitSquare FilterStk
+syn keyword chuckSTKUGen WvIn WaveLoop WvOut WvOut2 StkInstrument
+syn keyword chuckSTKUGen BandedWG BlowBotl BlowHole
+syn keyword chuckSTKUGen Bowed Brass Clarinet Flute Mandolin
+syn keyword chuckSTKUGen ModalBar Moog Saxofony Shakers Sitar StifKarp
+syn keyword chuckSTKUGen VoicForm KrstlChr FM BeeThree FMVoices
+syn keyword chuckSTKUGen HevyMetl HnkyTonk FrencHrn PercFlut Rhodey TubeBell Wurley
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckAdvancedUGen LiSa LiSa2 LiSa6 LiSa8 LiSa10
+syn keyword chuckAdvancedUGen LiSa16 GenX Gen5 Gen7 Gen9 Gen10 Gen17
+syn keyword chuckAdvancedUGen CurveTable WarpTable Dyno
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckChugin ABSaturator AmbPan3 Bitcrusher Elliptic ExpDelay ExpEnv FIR
+syn keyword chuckChugin FoldbackSaturator GVerb KasFilter MagicSine Mesh2D
+syn keyword chuckChugin Multicomb Pan4 Pan8 Pan16 PitchTrack PowerADSR RegEx
+syn keyword chuckChugin Sigmund Spectacle WinFuncEnv WPDiodeLadder WPKorg35
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckUnitAnalyzer UAna UAnaBlob Windowing
+syn keyword chuckUnitAnalyzer FFT IFFT DCT IDCT
+syn keyword chuckUnitAnalyzer Centroid Flux RMS RollOff
+syn keyword chuckUnitAnalyzer Flip UnFlip XCorr
+syn keyword chuckUnitAnalyzer Chroma Kurtosis MFCC SFM ZeroX AutoCorr FeatureCollector
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckChAI MLP KNN KNN2 HMM SVM Word2Vec PCA Wekinator AI
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckInputOutput IO FileIO OscIn OscOut OscMsg
+syn keyword chuckInputOutput Hid HidMsg KBHit SerialIO
+syn keyword chuckInputOutput MidiIn MidiOut MidiMsg MidiFileIn
+
+" https://chuck.cs.princeton.edu/doc/reference/
+syn keyword chuckUtilities CKDoc StringTokenizer ConsoleInput
+
+" https://github.com/wilsaj/chuck.vim/blob/master/syntax/chuck.vim
+syn match chuckNumber /\%(\i\|\$\)\@<![-]\?\d\+/ display
+syn match chuckHex /\<0[xX]\x\+[lL]\=\>/ display
+syn match chuckFloat /\%(\i\|\$\)\@<![-]\?\%(\d*\.\d\+\|\d\+\.\)/ display
+
+" this may need fixing/improvements
+syn match chuckComment "//.*$"
+syn region chuckComment start="/\*" end="\*/"
+syn match chuckSpecialChar contained "\\n"
+syn match chuckSpecialChar contained "\\t"
+syn match chuckSpecialChar contained "\\a"
+syn match chuckSpecialChar contained /\\"/
+syn match chuckSpecialChar contained "\\0"
+syn region chuckString start=/"/ end=/"/ display contains=chuckSpecialChar
+
+hi def link chuckPrimitiveType Type
+hi def link chuckComplexType Type
+hi def link chuckReferenceType Type
+hi def link chuckBoolean Boolean
+hi def link chuckOperator Operator
+hi def link chuckConditional Conditional
+hi def link chuckRepeat Repeat
+hi def link chuckTimeAndDuration Keyword
+hi def link chuckKeyword Keyword
+hi def link chuckBaseClasses Special
+hi def link chuckBasicUGen Structure
+hi def link chuckFilterUGen Structure
+hi def link chuckSTKUGen Structure
+hi def link chuckAdvancedUGen Structure
+hi def link chuckChugin Structure
+hi def link chuckUnitAnalyzer Structure
+hi def link chuckChAI Structure
+hi def link chuckInputOutput Special
+hi def link chuckUtilities Special
+hi def link chuckNumber Number
+hi def link chuckHex Number
+hi def link chuckFloat Float
+hi def link chuckComment Comment
+hi def link chuckSpecialChar SpecialChar
+hi def link chuckString String
+
+let b:current_syntax = "chuck"