Thesaurus.com
Dictionary.com
Showing results for irregular. Search instead for einreguliere.
Definitions

irregular

[ih-reg-yuh-ler] / ɪˈrɛg yə lər /
ADJECTIVE
random, variable
Synonyms
STRONGEST
capricious erratic intermittent jerky sporadic uneven unreliable
STRONG
aberrant eccentric faltering shifting weaving
WEAK
aimless casual changeable designless desultory disconnected discontinuous fitful fluctuating fragmentary haphazard hit-or-miss inconstant indiscriminate infrequent nonuniform occasional out of order patchy purposeless recurrent shaky spasmodic uncertain unconsidered unmethodical unpunctual unsettled unsteady unsystematic up and down
Antonyms
STRONGEST
constant continuous dependable regular reliable smooth steady
STRONG
normal
WEAK
common conventional even flat level methodical standard systematic usual
ADJECTIVE
abnormal, peculiar
Synonyms
STRONGEST
capricious improper inappropriate strange unorthodox unusual
STRONG
aberrant deviant eccentric singular
WEAK
anomalous atypical different disorderly divergent exceptional extraordinary immoderate inordinate odd off-key quirky unconventional unique unnatural unofficial unsuitable
Antonyms
STRONGEST
appropriate common familiar fitting normal proper regular standard suitable usual
STRONG
ordinary
WEAK
conventional even flat level methodical smooth systematic
ADJECTIVE
bumpy, uneven
Synonyms
STRONGEST
asymmetrical craggy elliptical jagged lumpy unbalanced
STRONG
aberrant bent eccentric rough variable wobbly
WEAK
amorphous broken cockeyed crooked devious disproportionate elliptic hilly lopsided meandering not uniform notched off-balance off-center out of proportion pitted protuberant scarred serrate serrated unaligned unequal unsymmetrical zigzagged
Antonyms
STRONGEST
even smooth
STRONG
normal regular
WEAK
common conventional flat level methodical standard systematic usual

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In earlier interviews with Barron’s, CEO Alan Baratz has warned of so-called lumpiness in the results resulting from irregular infusions of revenue.

From Barron's • May 12, 2026

When sliced, each irregular disk holds triterpenoids and p-couramic acid — panacea to reduce inflammation, with potential anti-cancer properties.

From Salon • May 9, 2026

The investigation was triggered last July after TSMC’s internal security systems detected irregular access to confidential data.

From The Wall Street Journal • Apr. 27, 2026

Anthony Lobo, a pensioner who lives in Welling in Kent, is so frustrated by irregular post deliveries that every Saturday morning he collects his mail from Bexleyheath Delivery Office himself.

From BBC • Mar. 23, 2026

At the north end, the beech roots formed a kind of irregular colonnade.

From "Watership Down: A Novel" by Richard Adams

Vocabulary lists containing irregular

TEKS ELAR Academic Vocabulary List (5th-7th grades)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

List 8

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Keystone Exams: English Composition Glossary

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!