ajustar

From a- +‎ just (“just”) +‎ -ar.

• IPA^(key): (Central, Balearic) [ə.ʒusˈta]
• IPA^(key): (Valencia) [a.d͡ʒusˈtaɾ]

• Audio (Barcelona):

  (file)

ajustar (first-person singular present ajusto, first-person singular preterite ajustí, past participle ajustat)

1. to adjust, to set

• “ajustar”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “ajustar”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “ajustar” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “ajustar” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

Borrowed from English adjust, French ajuster, German justieren, Italian aggiustare, Spanish ajustar. Decision no. 1216, Progreso VII.

• IPA^(key): /aʒusˈtar/, /ad͡ʒusˈtar/

ajustar (present ajustas, past ajustis, future ajustos, conditional ajustus, imperative ajustez)

1. (transitive, technology) to adjust, regulate, set (an instrument, microscope, meter, etc.)

• Progreso III (in Ido), 1910–1911, page 70, 219
• Progreso VII (in Ido), 1914, page 66

ajustar (Hebrew spelling אג׳וסטאר)

1. to add

From a- +‎ justo +‎ -ar.

• Hyphenation: a‧jus‧tar

ajustar (first-person singular present ajusto, first-person singular preterite ajustei, past participle ajustado)

1. to adjust
2. to adapt
3. to fit

• ajustável

• “ajustar”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “ajustar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

From justo. Some of the medieval Old Spanish senses (compare Ladino ajustar (“to add”)) seem to correspond better to Vulgar Latin *adiuxtāre or *iuxtāre, from Latin iuxta (compare French ajouter (“to add”));^[1] compare ayustar.

• IPA^(key): /axusˈtaɾ/ [a.xusˈt̪aɾ]

• Audio (Colombia):

  (file)

• Rhymes: -aɾ
• Syllabification: a‧jus‧tar

ajustar (first-person singular present ajusto, first-person singular preterite ajusté, past participle ajustado)

1. to adjust, to set

   Antonym: desajustar

2. to fine-tune
3. to fit
4. (reflexive) to conform to, abide by, act in accordance with

   Synonyms: acatar, respetar

5. (reflexive) to adjust (oneself/itself)

• “ajustar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025