rudimentary

English

WOTD – 3 August 2026

Etymology

Etymology tree

Latin rudis

Proto-Indo-European *-mn̥

Proto-Indo-European *-mn̥tom

Proto-Italic *-mentom

Latin -mentum

Latin rudīmentumbor.

Old French rudiment

English rudiment

Proto-Indo-European *-yósder.

Proto-Italic *-āzios

Latin -āriusder.

Middle English -arie

English -ary

New Latin rudimentariusder.?

English rudimentary

From rudiment +‎ -ary (adjectival suffix), perhaps after New Latin rudīmentārius, from Classical Latin rudīmentum (“first attempt; beginning”) + -ārius (adjectival suffix). Compare French rudimentaire.

Pronunciation

• (General American) IPA^(key): /ˌɹuːdɪˈmɛntəɹi/, /ˌɹuːdɪˈmɛnt͡ʃɹi/

• Audio (General American):

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• Audio (US):

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Adjective

rudimentary (comparative more rudimentary, superlative most rudimentary)

2. Of or relating to one or more rudiments; of the nature of an early stage.

   Synonyms: immature, imperfect, (uncommon) rudimental, undeveloped

   • 1846, George Grote, “State of Society and Manners as Exhibited in Grecian Legend”, in History of Greece, volume II, London: John Murray, […], →OCLC, part I (Continuation of Legendary Greece), page 107:

     The state of moral and social feeling, prevalent in legendary Greece, exhibits a scene in harmony with the rudimentary political fabric just described.

3. Basic; minimal; with less than, or only the minimum, necessary.

   Synonyms: modest, stripped down; (uncommon) rudimental; see also Thesaurus:bare-bones, Thesaurus:crude

   I have only a rudimentary grasp of chemistry.

   His grasp of rudimentary English allowed him at least to do the shopping.

   His rudimentary driving skills meant that he was a danger on the road.

   • 1837–1839, Henry Hallam, “History of Ancient Literature in Europe, from 1550 to 1600”, in Introduction to the Literature of Europe, in the Fifteenth, Sixteenth and Seventeenth Centuries, volume II, London: John Murray, […], →OCLC, section I (Progress of Classical Learning—[…]), paragraph 25, page 35:

     In these they discarded the barbarous school-books then in use, put the rudimentary study of the languages on a better footing, devoted themselves, for the sake of religion, to those accomplishments which religion had hitherto disdained; […]

   • 2009 October 2, John Vidal, “'Tilting at windmills: the boy who harnessed the wind'”, in Alan Rusbridger, editor, The Guardian‎^[1], London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 8 September 2013:

     Using a tractor fan, shock absorbers, PVC pipes, a bicycle frame and anything else he [William Kamkwamba] could lay his hands on, he then built a rudimentary wooden tower, plonked his home-made generator on the top, and eventually got one, and then four bulbs to light up.

   • 2017 April 6, Samira Shackle, “On the frontline with Karachi’s ambulance drivers”, in Katharine Viner, editor, The Guardian‎^[2], London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 6 April 2017:

     Safdar, in his rudimentary ambulance, has been at the frontline of the shifting conflicts consuming his city, placing himself at huge personal risk for very little money.

Derived terms

• rudimentaries
• rudimentarily
• rudimentariness

Related terms

• rudiment

Translations

of or relating to rudiments

Catalan: rudimentari (ca) Finnish: alkeellinen (fi), alkeis- (fi), perus- (fi), rudimentaarinen, alustava (fi) French: rudimentaire (fr) Greek: στοιχειώδης (el) (stoicheiódis) Manx: bunneydagh Persian: ابتدایی (fa) (ebtedâyi) Polish: podstawowy (pl), elementarny (pl) Portuguese: rudimentar (pt) Russian: рудимента́рный (ru) (rudimentárnyj) Spanish: rudimentario (es), rudimental (es)

basic; minimal — see also basic,‎ minimal

Catalan: rudimentari (ca) Chinese: Mandarin: 基本的 (zh) (jīběn de) Czech: základní (cs) m Danish: elementær, simpel, fundamental, basal (da), simpel Dutch: rudimentair (nl) Esperanto: rudimenta Finnish: puutteellinen (fi) (having flaws); auttava (fi) (of language); alkeellinen (fi), alkeis- (fi) French: rudimentaire (fr) German: rudimentär (de), elementar (de), grundlegend (de), ansatzhaft, bruchstückhaft (de) Greek: υποτυπώδης (el) (ypotypódis), στοιχειώδης (el) (stoicheiódis) Indonesian: rudimenter Manx: bunneydagh Persian: مختصر (fa) (moxtasar) Polish: ograniczony (pl), minimalny (pl), rudymentarny (pl) Portuguese: rudimentar (pt) Russian: зача́точный (ru) (začátočnyj), рудимента́рный (ru) (rudimentárnyj), элемента́рный (ru) (elementárnyj) Spanish: rudimental (es), rudimentario (es), elemental (es) Vietnamese: cơ bản (vi)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Danish: (please verify) rudimentær (da) Icelandic: (please verify) frumstæður, (please verify) vanþróaður Korean: (please verify) 기본적인 (gibonjeogin) Romanian: (please verify) rudimentar (ro) Spanish: (please verify) rudimentario (es) Swedish: (please verify) rudimentär (sv)

Noun

rudimentary (plural rudimentaries)

1. (zoology, usually in the plural) One of the rudimentary (adjective sense 1) mammae of boars.
   • 1916 May 5, Edward N. Wentworth, “Rudimentary Mammæ in Swine a Sex-Limited Character”, in Science, volume XLIII (New Series), New York, N.Y.: The Science Press, →ISSN, →OCLC, page 648, column 1:

     A litter of nine pigs was farrowed, four of the boars having rudimentaries, and one lacking them, while three of the sows lacked rudimentaries and the fourth possessed them.