Meanings
- not comparableOf the nature of a complement; completing.
- not comparableComplementary.
- not comparableobsoleteAdditional; supplemental, accessory; ancillary.
[I]t is an errour worſe than hereſie, to adore the complementall and circumſtantiall piece of felicity, and undervalue thoſe perfections and eſſential points of happineſſe, wherein we reſemble our Maker.
1642, [Thomas Browne], “[The First Part]”, in Religio Medici, London: […] Andrew Crooke, →OCLC, page 34 - not comparableobsoleteOf the nature of a ceremony that is not essential but accessory; ceremonial; ceremonious; formal.
- not comparableobsoleteOf persons: accomplished; talented; experienced.
- alternativenot comparableobsoleteAlternative form of complimental (“complimentary”).
I vvill make a complementall aſſault vpon him for my buſineſſe ſeeth's.
c. 1602 (date written), William Shakespeare, The Famous Historie of Troylus and Cresseid. […] (First Quarto), London: […] G[eorge] Eld for R[ichard] Bonian and H[enry] Walley, […], published 1609, →OCLC, [Act III, scene i], signature [E4], recto2 more examples
I have no skill in ceremonious letters which have no other ſubſtance, but a faire contexture of complementall phraſes and curteous wordes.
1603, Michel de Montaigne, “A consideration vpon Cicero”, in John Florio, transl., The Essayes […], book I, London: […] Val[entine] Simmes for Edward Blount […], →OCLC, page 126For if the Saxon, (our mother tongue) did complaine; as iuſtly (I doubt) in this point may the Daughter: Languages, for the moſt part in tearmes of Art and Erudition, retayning their originall pouertie, and rather growing rich and abundant, in complementall phraſes and ſuch froth.
1624, Henry Wotton, “The Preface”, in The Elements of Architecture, […], London: […] Iohn Bill, →OCLC
Synonyms & antonyms
adjectiveacting as or providing a complement (something that completes the whole)
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From complement + -al. Piecewise doublet of complimental.
Full word history & related roots →Rhymes & wordplay
Rhymes with complemental
Cite this entry
complemental. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/complemental
“complemental.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/complemental. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “complemental,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/complemental.
Source: complemental on Wiktionary, CC BY-SA 4.0.