Complement
Complement verb - To serve as a completing element to.
Tack on and complement are semantically related. In some cases you can use "Tack on" instead a verb "Complement".
Tack on
Tack on verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.
Usage example: the ticket agency tacked on a hefty surcharge to what was already a hefty price for the theater tickets
Complement and tack on are semantically related. Sometimes you can use "Complement" instead a verb "Tack on".
Cite this Source
Tack on and Complement. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complement/tack_on
Complement & Tack on. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complement/tack_on>.
Tack on or Complement. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complement/tack_on.
Google Ngram Viewer shows how "complement" and "tack on" have occurred on timeline