1
horizontal
1
inorder(adjective, confused, chaotic, messy, random)
1
lawful
1
natural(unusual, unreasonable)
1
neat
1
nonstop
1
official
1
orderly
1
perfect
1
perpetual
1
prescribed
1
proper(adjective, common)
1
rigid
1
routine
1
rule-governed
1
run-of-the-mill
1
stable
1
straight
1
symmetrical
1
timed
10 years ago|3.9k views|share |citing 
APASmart Define. (2016). irregular thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irregular/thesaurus/antonyms
ChicagoSmart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, irregular thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irregular/thesaurus/antonyms>.
MLASmart Define. "irregular thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/irregular/thesaurus/antonyms>