informal

in·for·mal
I1N1F4O1R1M3A1L1
UK/ɪnˈfɔː.m(ə)l/US/ɪnˈfɔɹ.m(ə)l/

adjective

Not formal or ceremonious.

“informal clothes”

Similar
colloquialnot formalceremoniousnot in accord with the usual regulationssuited for everyday usecasualeverydaydaily
Opposite
CommonScrabble 13

Meanings

adjectiveinformal (comparative more informal, superlative most informal)

comparative more informal · superlative most informal

  1. Not formal or ceremonious.

    an informal get-together

    3 more examples

    One saint's day in mid-term a certain newly appointed suffragan-bishop came to the school chapel, and there preached on “The Inner Life.” He at once secured attention by his informal method, and when presently the coughing of Jarvis […] interrupted the sermon, he altogether captivated his audience with a remark about cough lozenges being cheap and easily procurable.

    1918, W[illiam] B[abington] Maxwell, chapter III, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

    Students and faculty members lunch at the cafeteria and naturally communicate freely with one another in a relaxed and informal setting.

    2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, →DOI, page 4

    Participants emphasized the importance of their social network in facilitating their strength training experiences. Family members served as informal coaches who introduced the participants to basic exercises. This role, where family members model healthy behaviors, has been identified as being important to help supporting PA participation among autistic individuals in prior work (Ku et al., 2020; Shields et al., 2012).

    2025 August 20, Ashlyn Barry, Justin A. Haegele, Daniel Schaefer, Kristen A. Pickett, Luis Columna, “Autistic Young Adults’ Experiences and Recommendations for Strength Training”, in Journal of Autism and Developmental Disorders, →DOI
  2. Not in accord with the usual regulations.

    an informal agreement

  3. Suited for everyday use.

    informal clothes

  4. Reflecting everyday, non-ceremonious usage.

    When I returned to the movie Ghilli, a Kollywood classic (Kollywood being the informal name for Tamil cinema) that I loved as a kid, I couldn’t help but question why the story continues romantically, without question, after the heroine is slapped by the supposed love of her life.

    2025 August 14, Saranka Maheswaran, “Cheer up, Ice Cube, your War of the Worlds movie may be really bad, but it’s not worthless”, in The Guardian

    Synonyms: colloquial

  5. agricultureNot organized; not structured or planned.

Synonyms & antonyms

adjectiveReflecting everyday, non-ceremonious usage.

Similar
Similar
not formalceremoniousnot in accord with the usual regulationssuited for everyday use
Opposite

More synonyms by meaning

adjectivenot officially recognized or controlled

adjectiveused of spoken and written language

Opposite

adjectivehaving or fostering a warm or friendly and informal atmosphere

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinin-
  5. Middle Englishin-
  6. Englishin-
  7. Englishformal
  8. Englishinformal

From in- + formal.

Full word history & related roots →

Translations

Bulgarian неформа́лен, неофициа́лен
  • неформа́лен (neformálen)not formal or ceremonious
  • неофициа́лен (neoficiálen)not formal or ceremonious
  • безцеремо́нен (bezceremónen)not in accord with the usual regulations
  • разгово́рен (razgovóren)language: reflecting everyday, non-ceremonious usage
Catalan informal
  • informalnot formal or ceremonious
Chinese Mandarin 非正式, 非正式
  • 非正式 (fēizhèngshì)not formal or ceremonious
  • 非正式 (fēizhèngshì)not in accord with the usual regulations
  • 俗 (sú)language: reflecting everyday, non-ceremonious usage
Czech neformální
  • neformálnínot formal or ceremonious
Esperanto neformala
  • neformalanot formal or ceremonious
Finnish epämuodollinen, epämuodollinen
  • epämuodollinennot formal or ceremonious
  • epämuodollinennot in accord with the usual regulations
  • epävirallinennot in accord with the usual regulations
  • arkikielinenlanguage: reflecting everyday, non-ceremonious usage
French informel, informel
  • informelnot formal or ceremonious
  • informelnot in accord with the usual regulations
  • informellanguage: reflecting everyday, non-ceremonious usage
  • familierlanguage: reflecting everyday, non-ceremonious usage
German informell, unförmlich
  • informellnot formal or ceremonious
  • unförmlichnot formal or ceremonious
  • zwanglosnot formal or ceremonious
  • inoffiziellnot in accord with the usual regulations
Greek φιλικός, ανεπίσημος
  • φιλικός (filikós)not formal or ceremonious
  • ανεπίσημος (anepísimos)language: reflecting everyday, non-ceremonious usage
Hindi अनौपचारिक, अनौपचारिक
  • अनौपचारिक (anaupcārik)not formal or ceremonious
  • अनौपचारिक (anaupcārik)not in accord with the usual regulations
Hungarian közvetlen
  • közvetlennot formal or ceremonious
Icelandic óformlegur
  • óformlegurnot formal or ceremonious
Irish neamhnósúil
  • neamhnósúilnot formal or ceremonious
Italian informale, informale
  • informalenot formal or ceremonious
  • informalenot in accord with the usual regulations
  • non officialenot in accord with the usual regulations
  • informalelanguage: reflecting everyday, non-ceremonious usage
  • colloquialelanguage: reflecting everyday, non-ceremonious usage
  • familiarelanguage: reflecting everyday, non-ceremonious usage
Japanese 非公式の, 日常の
  • 非公式の (hikōshiki no)not formal or ceremonious
  • 日常の (nichijō no)not formal or ceremonious
  • 普段の (fudan no)not formal or ceremonious
  • 褻の (ke no)not formal or ceremonious
  • 非公式の (hikōshiki no)not in accord with the usual regulations
  • 内々の (uchiuchi no)not in accord with the usual regulations
  • 口語の (kōgo no)language: reflecting everyday, non-ceremonious usage
Malay informal, informal
  • informalnot formal or ceremonious
  • informalnot in accord with the usual regulations
  • informallanguage: reflecting everyday, non-ceremonious usage
  • percakapanlanguage: reflecting everyday, non-ceremonious usage
Māori ōpaki, hāramuramu
  • ōpakinot formal or ceremonious
  • hāramuramunot formal or ceremonious
Norwegian Bokmål uhøytidelig
  • uhøytidelignot formal or ceremonious
Polish potoczny, nieformalny
  • potocznynot formal or ceremonious
  • nieformalnynot formal or ceremonious
  • nieformalnynot in accord with the usual regulations
  • potocznylanguage: reflecting everyday, non-ceremonious usage
  • kolokwialnylanguage: reflecting everyday, non-ceremonious usage
Portuguese informal
  • informalnot formal or ceremonious
Romanian informal, popular
  • informalnot formal or ceremonious
  • popularlanguage: reflecting everyday, non-ceremonious usage
Russian неформа́льный, неофициа́льный
  • неформа́льный (neformálʹnyj)not formal or ceremonious
  • неофициа́льный (neoficiálʹnyj)not formal or ceremonious
  • непринуждённый (neprinuždjónnyj)not formal or ceremonious
  • разгово́рный (razgovórnyj)language: reflecting everyday, non-ceremonious usage
Spanish informal, aformal
  • informalnot formal or ceremonious
  • aformalnot formal or ceremonious
  • informalnot in accord with the usual regulations
  • aformalnot in accord with the usual regulations
  • informallanguage: reflecting everyday, non-ceremonious usage
  • aformallanguage: reflecting everyday, non-ceremonious usage
Swedish informell
  • informellnot formal or ceremonious
Tagalog dimaanyo, dimaanyo
  • dimaanyonot formal or ceremonious
  • dimaanyonot in accord with the usual regulations
Thai ไม่เป็นทางการ
  • ไม่เป็นทางการnot formal or ceremonious
Turkish teklifsiz, gayriresmî
  • teklifsiznot formal or ceremonious
  • gayriresmînot in accord with the usual regulations
  • senli benlilanguage: reflecting everyday, non-ceremonious usage
  • teklifsizlanguage: reflecting everyday, non-ceremonious usage
Ukrainian неформа́льний, неофіці́йний
  • неформа́льний (neformálʹnyj)not formal or ceremonious
  • неофіці́йний (neoficíjnyj)not formal or ceremonious
  • розмо́вний (rozmóvnyj)language: reflecting everyday, non-ceremonious usage
Welsh anffurfiol
  • anffurfiolnot formal or ceremonious

Rhymes & wordplay

Rhymes with informal

All rhymes →

Anagrams

Cite this entry
APA

informal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/informal

MLA

“informal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/informal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “informal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/informal.

Source: informal on Wiktionary, CC BY-SA 4.0.