Here we go:
Dec 31: idoneous
Dec 30: hotchpot
Dec 29: birr
Dec 28: pleb
Dec 27: educe
Dec 26: slimsy
Dec 25: natheless
Dec 24: remora
Dec 23: alate
Dec 22: perspicacious
Dec 21: outrance
Dec 20: desinence
Dec 19: viscid
Dec 18: expostulate
Dec 17: paregmenon
Dec 16: heterotelic
Dec 15: profligacy
Dec 14: sprat
Dec 13: gasconade
Dec 12: fetial
Dec 11: solecism
Dec 10: truss
Dec 9: novation
Dec 8: anamnesis
Dec 7: interpolation
Dec 6: fusty
Dec 5: adventive
Dec 4: solatium
Dec 3: hiemal
Dec 2: canticle
Dec 1: calvous
Nov 30: lucent
Nov 29: ectype
Nov 28: gangrel
Nov 27: procellous
Nov 26: abrade
Nov 25: veriest
Nov 24: cortege
Nov 23: adytum
Nov 22: bobscage
Nov 21: weald
Nov 20: frondescence
Nov 19: collop
Nov 18: operose
Nov 17: bobbery
Nov 16: altruistic
Nov 15: churlish
Nov 14: serry
Nov 13: panegyrize
Nov 12: stertor
Nov 11: procrustean
Nov 10: dipsomania
Nov 9: appetence
Nov 8: crepitate
Nov 7: poltroon
Nov 6: salvo
Nov 5: knavery
Nov 4: omnibus
Nov 3: bibliophage
Nov 2: opuscule
Nov 1: apocrypha
Oct 31: fascicle
Oct 30: lyard
Oct 29: rankle
Oct 28: pansophy
Oct 27: kef
Oct 26: plebiscite
Oct 25: canny
Oct 24: quean
Oct 24: prehensible
Oct 23: obscurantism
Oct 22: metempirical
Oct 21: aioli
Oct 20: nyctophobia
Oct 19: thanatopsis
Oct 18: sepulchral
Oct 17: perdition
Oct 16: animadvert
Oct 15: anoesis
Oct 14: ferly
Oct 13: anomie
Oct 12: dorsal
Oct 11: lummox
Oct 10 cosmogony
Oct 9: etiology
Oct 8: titubant
Oct 7: milquetoast
Oct 6: vesuvian
Oct 5: druthers
Oct 4: bandersnatch
Oct 3: endemic
Oct 2: mendacity
Oct 1: weltschmerz
Sept 30: votary
Sept 29: woolgathering
Sept 28: portend
Sept 27: gadabout
Sept 26: sapid
Sept 25: tchotchke
Sept 24: lionize
Sept 23: copacetic
Sept 22: racine
Sept 21: irrefragable
Sept 20: acme
Sept 19: revenant
Sept 18: pleonasm
Sept 17: postprandial
Sept 16: punctilious
Sept 15: bacchanalia
Sept 14: fey
Sept 13: panache
Sept 12: dilatory
Sept 11: elegiac
Sept 10: bellwether
Sept 9: chichi
Sept 8: inculcate
Sept 7: aplomb
Sept 6: gammon
Sept 5: paralipsis
Sept 4: braird
Sept 3: nebulize
Sept 2: darkle
Sept 1: substrate
Aug 31: metaphrastic
Aug 30: skirr
Aug 29: parergon
Aug 28: feckless
Aug 27: sanguine
Aug 26: opine
Aug 25: monolithic
Aug 24: grangerize
Aug 23: glace
Aug 22: homologate
Aug 21: personalia
Aug 20: proclitic
Aug 19: footle
Aug 18: collogue
Aug 17: hobson-jobson
Aug 16: odoriferous
Aug 15: conglobate
Aug 14: runic
Aug 13: purloin
Aug 12: jointure
Aug 11: willowwacks
Aug 10: amaranthine
Aug 9: chaptalize
Aug 8: nervure
Aug 7: overslaugh
Aug 6: aesopian
Aug 5: entelechy
Aug 4: melismatic
Aug 3: ambsace
Aug 2: mantic
Aug 1: zugzwang
Jul 31: gazump
Jul 30: mantic
Jul 29: aureate
Jul 28: hoary
Jul 27: handsel
Jul 26: somatic
Jul 25: erubescent
Jul 24: feign
Jul 24: detente
Jul 23: dearth
Jul 22: Zeitgeist
Jul 21: dandle
Jul 20: undertone
Jul 19: apposite
Jul 18: canonical
Jul 17: torque
Jul 16: abject
Jul 15: apodictic
Jul 14: usufruct
Jul 13: gumption
Jul 12: assay
Jul 11: trig
Jul 10: skylark
Jul 9: sublimate
Jul 8: patois
Jul 7: futilitarian
Jul 6: stonewall
Jul 5: aporia
Jul 4: suffrage
Jul 3: byzantine
Jul 2: bedlam
Jul 1: deciduous
Jun 30: haw
Jun 29: aphorism
Jun 28: catawampus
Jun 27: attenuate
Jun 26: sirocco
Jun 25: torrefy
Jun 24: eclat
Jun 23: jujitsu
Jun 22: xenogenic
Jun 21: pullulate
Jun 20: yarely
Jun 19: virilocal
Jun 18: eisegesis
Jun 17: abut
Jun 16: brindled
Jun 15: crotchet
Jun 14: orison
Jun 13: paphian
Jun 12: arroyo
Jun 11: kerf
Jun 10: umbra
Jun 9: homograph
Jun 8: cater-cousin
Jun 7: wiredrawn
Jun 6: pecksniffian
Jun 5: pangram
Jun 4: foist
Jun 3: decollete
Jun 2: intestable
Jun 1: catarrh
May 31: leitmotif
May 30: avoirdupois
May 29: toothsome
May 28: vertiginous
May 27: dudgeon
May 26: clinquant
May 25: sojourn
May 24: prink
May 23: longeur
May 22: slaver
May 21: physiognomy
May 20: foofaraw
May 19: fungible
May 18: iota
May 17: connubial
May 16: nonplus
May 15: plangent
May 14: misnomer
May 13: autodidact
May 12: irenic
May 11: animalcule
May 10: splenetic
May 9: premonish
May 8: purlieu
May 7: epigamic
May 6: incommodious
May 5: effloresce
May 4: osmose
May 3: pernicious
May 2: esoteric
May 1: opine
Apr 30: polymorphous
Apr 29: yin
Apr 28: anneal
Apr 27: peregrinate
Apr 26: homunculus
Apr 25: abaft
Apr 24: akimbo
Apr 23: corybantic
Apr 22: scurrilous
Apr 21: balderdash
Apr 20: marginalia
Apr 19: loquacious
Apr 18: absquatulate
Apr 17: opprobrious
Apr 16: futz
Apr 15: vociferate
Apr 14: unctuous
Apr 13: abstemious
Apr 12: moratory
Apr 11: oppugn
Apr 10: simpatico
Apr 9: praxis
Apr 8: dapple
Apr 7: irascible
Apr 6: tenterhooks
Apr 5: canorous
Apr 4: gravitas
Apr 3: afflatus
Apr 2: largess
Apr 1: bumptious
Mar 31: bivouac
Mar 30: lucre
Mar 29: bedaub
Mar 28: equivocate
Mar 27: verisimilitude
Mar 26: blandishment
Mar 25: aver
Mar 24: fugacious
Mar 23: interregnum
Mar 22: kismet
Mar 21: prescience
Mar 20: eschew
Mar 19: quaff
Mar 18: truckle
Mar 17: masticate
Mar 16: chortle
Mar 15: prolix
Mar 14: epicene
Mar 13: pusillanimous
Mar 12: rubicund
Mar 11: cosset
Mar 10: ersatz
Mar 9: puckish
Mar 8: fanfaronade
Mar 7: demagogue
Mar 6: confute
Mar 5: gastronome
Mar 4: gimcrack
Mar 3: halcyon
Mar 2: wunderkind
Mar 1: lexicography
Feb 28: doppelganger
Feb 27: rakish
Feb 26: inkhorn
Feb 25: bailiwick
Feb 24: nimbus
Feb 23: lucubration
Feb 22: malinger
Feb 21: hypnagogic
Feb 20: libation
Feb 19: ululate
Feb 18: factotum
Feb 17: thimblerig
Feb 16: uxorious
Feb 15: inveigle
Feb 14: philomath
Feb 13: buss
Feb 12: risible
Feb 11: abscond
Feb 10: desideratum
Feb 9: verdant
Feb 8: effluvium
Feb 7: imbroglio
Feb 6: elide
Feb 5: ambisinister
Feb 4: totemic
Feb 3: fain
Feb 2: jobbery
Feb 1: vulpine
Jan 31: hubris
Jan 30: cacoëthes
Jan 29: triptych
Jan 28: visceral
Jan 27: dogmatic
Jan 26: ubiquitous
Jan 25: quixotic
Jan 24: dharna
Jan 23: assiduous
Jan 22: repugnant
Jan 21: lollop
Jan 20: pugnacious
Jan 19: spirituel
Jan 18: concupiscible
Jan 17: offal
Jan 16: felicitate
Jan 15: klatsch
Jan 14: mansuetude
Jan 13: lickerish
Jan 12: autoschediasm
Jan 11: extemporize
Jan 10: katzenjammer
Jan 9: chatoyant
Jan 8: sockdolager
Jan 7: temporal
Jan 6: exculpate
Jan 5: prevaricate
Jan 4: descry
Jan 3: felicitous
Jan 2: indign
Jan 1: abrogate
May 6: incommodious
May 5: effloresce
May 4: osmose
May 3: pernicious
May 2: esoteric
May 1: opine
Apr 30: polymorphous
Apr 29: yin
Apr 28: anneal
Apr 27: peregrinate
Apr 26: homunculus
Apr 25: abaft
Apr 24: akimbo
Apr 23: corybantic
Apr 22: scurrilous
Apr 21: balderdash
Apr 20: marginalia
Apr 19: loquacious
Apr 18: absquatulate
Apr 17: opprobrious
Apr 16: futz
Apr 15: vociferate
Apr 14: unctuous
Apr 13: abstemious
Apr 12: moratory
Apr 11: oppugn
Apr 10: simpatico
Apr 9: praxis
Apr 8: dapple
Apr 7: irascible
Apr 6: tenterhooks
Apr 5: canorous
Apr 4: gravitas
Apr 3: afflatus
Apr 2: largess
Apr 1: bumptious
Mar 31: bivouac
Mar 30: lucre
Mar 29: bedaub
Mar 28: equivocate
Mar 27: verisimilitude
Mar 26: blandishment
Mar 25: aver
Mar 24: fugacious
Mar 23: interregnum
Mar 22: kismet
Mar 21: prescience
Mar 20: eschew
Mar 19: quaff
Mar 18: truckle
Mar 17: masticate
Mar 16: chortle
Mar 15: prolix
Mar 14: epicene
Mar 13: pusillanimous
Mar 12: rubicund
Mar 11: cosset
Mar 10: ersatz
Mar 9: puckish
Mar 8: fanfaronade
Mar 7: demagogue
Mar 6: confute
Mar 5: gastronome
Mar 4: gimcrack
Mar 3: halcyon
Mar 2: wunderkind
Mar 1: lexicography
Feb 28: doppelganger
Feb 27: rakish
Feb 26: inkhorn
Feb 25: bailiwick
Feb 24: nimbus
Feb 23: lucubration
Feb 22: malinger
Feb 21: hypnagogic
Feb 20: libation
Feb 19: ululate
Feb 18: factotum
Feb 17: thimblerig
Feb 16: uxorious
Feb 15: inveigle
Feb 14: philomath
Feb 13: buss
Feb 12: risible
Feb 11: abscond
Feb 10: desideratum
Feb 9: verdant
Feb 8: effluvium
Feb 7: imbroglio
Feb 6: elide
Feb 5: ambisinister
Feb 4: totemic
Feb 3: fain
Feb 2: jobbery
Feb 1: vulpine
Jan 31: hubris
Jan 30: cacoëthes
Jan 29: triptych
Jan 28: visceral
Jan 27: dogmatic
Jan 26: ubiquitous
Jan 25: quixotic
Jan 24: dharna
Jan 23: assiduous
Jan 22: repugnant
Jan 21: lollop
Jan 20: pugnacious
Jan 19: spirituel
Jan 18: concupiscible
Jan 17: offal
Jan 16: felicitate
Jan 15: klatsch
Jan 14: mansuetude
Jan 13: lickerish
Jan 12: autoschediasm
Jan 11: extemporize
Jan 10: katzenjammer
Jan 9: chatoyant
Jan 8: sockdolager
Jan 7: temporal
Jan 6: exculpate
Jan 5: prevaricate
Jan 4: descry
Jan 3: felicitous
Jan 2: indign
Jan 1: abrogate
