Deepen and Spiff up

Opposite meaning terms

Deepen verb - To make markedly greater in measure or degree.

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Spiff up is an antonym for deepen.

Nearby Words: deep, deeply, deepness, deepening

Spiff up verb - Make neat, smart, or trim.

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Deepen is an antonym for spiff up in make shine or glow topic.

Cite this Source

Spiff up and Deepen. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/deepen/spiff_up

Deepen & Spiff up. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/deepen/spiff_up>.

Spiff up or Deepen. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/deepen/spiff_up.

Google Ngram Viewer shows how "deepen" and "spiff up" have occurred on timeline