des-

From Middle English des-, dis-, from Old French des-, from Latin dis-.

des-

1. Obsolete form of dis- (“reversal of sense of succeeding word”).
2. (organic chemistry) A removal of a group from a molecule.

• sed, eds, Eds, Esd., SDE, EDS, EDs, SED, eds., DSE, ESD

From Spanish des-, from Latin dis-, from Proto-Indo-European *dwís.

des-

1. dis-; expresses separation, reversal, or negation.^[1]

   ‎des- + ‎agertu (“to appear”) → ‎desagertu (“to disappear”)

• “des-”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]
• “des-”, in Orotariko Euskal Hiztegia [General Basque Dictionary], Euskaltzaindia, 1987–2005

Inherited from Latin dis-, from Proto-Indo-European *dwís. Doublet of dis-, which was borrowed.

des-

1. indicates the negation of a verb; dis-, un-

   ‎des- + ‎fer (“to do”) → ‎desfer (“to undo”)

• “des-”, 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
• “des-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025
• “des-” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “des-” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

• IPA^(key): [dɛs ]

des-

1. alternative form of dez-

From French dés-, from Latin dis-.

des-

1. dis-, de-

   Synonyms: fra-, af-

• IPA^(key): /dɛs/

des-

1. des-
2. dis-

des-

1. des-
2. dis-

Borrowed from English dis-, French dés-, Italian dis-, Spanish des-. Compare dis-, from the same origin. Decision no. 251, Progreso IV.

• IPA^(key): /dɛs/

des-

1. Expresses the opposite of the root word.

   ‎des- + ‎honoro (“honor”) → ‎deshonoro (“dishonor”)

• Progreso III (in Ido), 1910–1911, page 19, 92, 150, 215, 216

• IPA^(key): /des/, [dəs], /dæs/

des-

1. de-; dis-

des-

1. alternative form of dis-

From Old French des-.

des-

1. de-; dis-

• French: dé-, dés-

From Old French des-, from Latin dis-.

des-

1. dis-

From Old Occitan des-, from Latin dis-.

des-

1. de-; dis-

From Latin dis-.

des-

1. de-; dis-

• French: dé-, dés-
• Norman: dê-, d's-
• → English: des-

From Old Galician-Portuguese des-, from Latin dis-, from Proto-Indo-European *dwís.

• (Brazil) IPA^(key): (before a voiceless consonant) /des/, /d͡ʒis/, (before a vowel or voiced consonant) /dez/, /d͡ʒiz/
• (Portugal) IPA^(key): (before a voiceless consonant) /dɨʃ/, (before a voiced consonant) /dɨʒ/, (before a vowel) /dɨz/, /d͡z/

des-

1. un-; de-; dis- (forms verbs indicating the reversal of the prefixed verb)

   ‎des- + ‎ligar (“to turn on”) → ‎desligar (“to turn off”)

2. un- (forms nouns indicating the lack or opposite of the prefixed noun)

   ‎des- + ‎amor (“love”) → ‎desamor (“disdain”)

3. misspelling of dis-

• dez-

Inherited from Latin dis-, from Proto-Indo-European *dwís.

• IPA^(key): /des/

des-

1. dis-, de-

   ‎des- + ‎face (“to do”) → ‎desface (“to undo”)

Inherited from Old Spanish des-, from Latin dis-, from Proto-Indo-European *dwís. Doublet of dis-, which was borrowed.

des-

1. dis-; indicative of a negative

   ‎des- + ‎colgar (“to hang up (a phone)”) → ‎descolgar (“to pick up (a phone)”)

• “des-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 10 December 2024