semi-

== English == === Alternative forms === sem- === Etymology === Borrowed from Latin semi- (“half”), from Proto-Indo-European *sēmi/*sēmi-. Cognate to English sam, and to hemi- (via Ancient Greek). === Pronunciation === IPA(key): /sɛmi/, /sɛmaɪ/ === Prefix === semi- half semi-invalid. partial, incomplete somewhat, rather, quasi- ==== Usage notes ==== In British English, the semi- forms are usually hyphenated as evidenced by OED's semi- entries predominantly using hyphen. ==== Synonyms ==== (half): half-, hemi-, demi- (partial): demi- (somewhat): quasi-, -ish ==== Derived terms ==== semiflat ==== Translations ==== === Further reading === “semi-”, in OneLook Dictionary Search. “semi-”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. John A. Simpson and Edmund S. C. Weiner, editors (1989), “semi-”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN. === Anagrams === EMIs, ESMI, IMEs, MSIE, Meis, Sime, eSIM, mise == Catalan == === Etymology === Borrowed from Latin sēmi-. === Pronunciation === IPA(key): (Northern) [ˌse̞.mi] IPA(key): (Balearic, Central) [ˌsɛ.mi] IPA(key): (Valencia, Northwestern) [ˌse.mi] === Prefix === semi- semi- ==== Derived terms ==== === Further reading === “semi-”, 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 “semi-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026 “semi-” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua. Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “semi-”, in Diccionari català-valencià-balear (in Catalan) == Czech == === Pronunciation === IPA(key): [sɛmɪ ] === Prefix === semi- semi- ‎semi- + ‎finále → ‎semifinále ==== Derived terms ==== === Further reading === “semi-”, in Příruční slovník jazyka českého (in Czech), 1935–1957 “semi-”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989 semi- in Slovník afixů užívaných v češtině, 2017 == Finnish == === Etymology === Learned borrowing from Latin semi-. === Pronunciation === IPA(key): /ˈsemi-/, [ˈs̠e̞mi-] === Prefix === semi- (chiefly in loanwords) half-, semi-, demi- Synonym: puoli- ==== Derived terms ==== ==== See also ==== semi === Further reading === “semi-”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 3 July 2023 == French == === Etymology === From Latin sēmi-. === Pronunciation === IPA(key): /sə.mi/ === Prefix === semi- semi-, demi-, half- ==== Derived terms ==== == German == === Etymology === From Latin sēmi-. === Pronunciation === IPA(key): /ˈzeːmi/ === Prefix === semi- (fairly rare, learned) semi-, half- Synonym: halb- ‎semi- + ‎automatisch (“automatic”) → ‎semiautomatisch (“semi-automatic”) (slang or colloquial) not very, hardly [since ca. 2000] ‎semi- + ‎gut (“good”) → ‎semigut (“not very good, rather bad”) ==== Usage notes ==== In the literal sense, this prefix is productive only with Latinate stems, though halb- is much more common even with these (e.g. halbautomatisch). In the slang sense, to the contrary, it is productive mostly with native adjectives. These may also be spelt with a hyphen (semi-gut). They are often preceded by an adverb such as nur or eher. ==== Derived terms ==== == Italian == === Etymology === From Latin sēmi-, from Proto-Indo-European *sēmi (“half”). === Pronunciation === IPA(key): /se.mi/ Hyphenation: se‧mi- === Prefix === semi- semi-, demi-, half- ==== Derived terms ==== === Anagrams === mesi, mise == Latin == === Alternative forms === sē- (in sēlībra, sēmodius) sēm- (before vowels, e.g. sēmis) sin- (in sinciput) === Etymology === From Proto-Indo-European *sēmi-. Cognate with Sanskrit सामि (sāmí), Ancient Greek ἡμι- (hēmi-), Old High German sami-. === Pronunciation === (Classical Latin) IPA(key): [ˈseː.mɪ] (modern Italianate Ecclesiastical) IPA(key): [ˈsɛː.mi] === Prefix === sēmi- half ==== Derived terms ==== ==== Descendants ==== → English: semi-, semi → French: semi- → Italian: semi- → Portuguese: semi- → Spanish: semi- === References === “semi-”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “semi-”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers == Portuguese == === Etymology === From Latin sēmi-. === Pronunciation === Hyphenation: se‧mi === Prefix === semi- semi- (half) semi- (partially) ==== Derived terms ==== === Further reading === “semi-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “semi-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === From Latin sēmi-. === Pronunciation === IPA(key): /semi/ [se.mi] Syllabification: se‧mi- === Prefix === semi- semi- (half) semi- (partially) ==== Derived terms ==== === See also === sesqui- === Further reading === “semi-”, 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 == Swedish == === Etymology === From Latin semi-. === Prefix === semi- semi-, half- Synonym: halv- ==== Derived terms ==== === References === “semi-”, in Svenska Akademiens ordböcker [Dictionaries of the Swedish Academy] (in Swedish)