Irregular
Irregular adjective - Departing from some accepted standard of what is normal.
Spiky and irregular are semantically related. In some cases you can use "Spiky" instead an adjective "Irregular".
Nearby Words: irregularity, irregularly
Both words in one sentence
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They physically assault him and, among other indignities, they forcibly restyle the vain host's hair to an irregular, spiky mane, the likes of which is rarely seen outside of anime.
Source: Anime Hair -
Sakura in Fate/stay night gets spiky black lines that creep over her body at irregular points and then retract again after she goes into full fledged psychotic yandere mode.
Source: Mark of the Beast
Cite this Source
Spiky and Irregular. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/irregular/spiky
Irregular & Spiky. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/irregular/spiky>.
Spiky or Irregular. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/irregular/spiky.
Google Ngram Viewer shows how "irregular" and "spiky" have occurred on timeline