Word.ws English Dictionary

smoothened

smoothened is the simple past and past participle of smoothen.

Meaning of smoothen

Verb

smoothen (third-person singular simple present smoothens, present participle smoothening, simple past and past participle smoothened)

  1. (transitive) To make smooth.
    • Men were smoothening the thatch, which ran from the top of the roof to the ground covering the sides and at the back of the building.2014, Jennifer Nansubuga Makumbi, Kintu, Oneworld Publications (2018), page 34
  2. (intransitive) To become smooth.

Adjective

smoothened (comparative more smoothened, superlative most smoothened)

  1. Having been made smooth.
    Antonyms:
    unsmoothened

Noun

smoothened (uncountable)

  1. A transmembrane protein belonging to the group of G protein-coupled receptors that is a key component of the hedgehog signaling pathway.
    Synonyms:
    Smo

Synonyms of smoothened

Antonyms

Forms of smoothened

Adjective
comparativemore smoothened
superlativemost smoothened
Noun
alternative formSmoothened

Origin of smoothened

From smoothen + -ed.

Ultimately the same as etymology 1. The gene encoding the protein was first identified in Drosophila melanogaster as a segment polarity gene and initially named smooth (smo) by Christiane Nüsslein-Volhard et al. in 1984. This was later revised to smoothened by Dan L. Lindsley and Georgianna G. Zimm in 1992, because the former name already described another locus.

Questions about smoothened

What does smoothened mean?
Smoothened means having been made smooth.
What is smoothened the simple past and past participle of?
Smoothened is the simple past and past participle of smoothen.
What part of speech is smoothened?
Smoothened can be an adjective or a noun.

Words near smoothened in the dictionary

  1. smoothed over
  2. smoothed someone's feathers
  3. smoothed up
  4. smoothelin
  5. smoothen
  6. smoothened
  7. smoothening
  8. smoothens
  9. smoother
  10. smoother-haired
  11. smoothers

Source and license

Adapted from Wiktionary: smoothened (page history and authors); smoothen (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “smoothened.” Word.ws, https://word.ws/smoothened. Based on Wiktionary, CC BY-SA 4.0.