Standard Lemma guide

quasi-

prefix · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

UK: /ˈkweɪzaɪ/
UK: /ˈkweɪsaɪ/
UK: /ˈkwɑːzi/
Southern-England: Recorded audio is listed in the source snapshot.
Southern-England: Recorded audio is listed in the source snapshot.
US: /ˈkwɑˌzaɪ/
US: /ˈkwɑzi/
US: /ˈkwɑsi/
US: /ˈkweɪˌzaɪ/
US: /ˈkweɪˌsaɪ/
US: Recorded audio is listed in the source snapshot.
Canada: /kwɑzi/
Canada: /kwæzi/
Canada: /-aɪ/
Canada: /-ʌɪ/
rhymes with -ɑːzi
rhymes with -ɑːsi
homophone: quasi

prefix

Meaning 1

Almost; virtually.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

prefix

Meaning 2

Apparently, seemingly, or resembling.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

prefix

Meaning 3

To a limited extent or degree; being somewhat or partially.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *kw- Proto-Indo-European *kwís Proto-Italic *kwis Proto-Indo-European *kw- Proto-Indo-European *kwos Proto-Italic *kwoi Latin quam Proto-Indo-European *sóder. Proto-Italic *sei Latin sī univ. Latin quasī̆bor. English quasi- Borrowed from Latin quasi (“almost; as it were”), from quam (interrogative adverb) + sī (conditional particle).

Across languages

Translations

7 source translations are retained for this English entry.

Danish: kvasi- — almost
Danish: nær- — almost
Finnish: kvasi- — almost
Polish: niby- — almost
Polish: quasi- — almost
Polish: para- — almost
Spanish: cuasi- — almost

Word forms

Inflections and variants

No separate word forms were provided.

Word family

Derived and related words

Derived: quasiaesthetic, quasiamicable, quasi-arithmetical, quasi-art, quasiatom, quasi-automatic, quasi-automatically, quasi-belief, quasi-bialgebra, quasi-classic, quasi-colloquial, quasi-continuous, quasi-continuum, quasicontraction, quasi-contractual, quasi-copula, quasi-crime, quasi-crystalline, quasi-definition, quasi-deify, quasi-dereliction, quasidihedral, quasidiploid, quasidirect, quasi-divine, quasi-dying, quasi-emperor, quasi-episcopal, quasi-equilibrium, quasi-eternal, quasi-ethical, quasi-ethically, quasi-existence, quasi-fascist, quasi-feudal, quasifunction, quasi-general, quasi-governmental, quasi-grammatical, quasi-hallucinatory, quasi-historical, quasi-horizontal, quasi-implication, quasi-independent, quasi in rem, quasi-instantaneous, quasi-invariant, quasi-jazz, quasi-judicial, quasi-legal, quasi-logical, quasi-marital, quasi-marriage, quasi-material, quasi-mathematical, quasi-mechanical, quasi-mechanistic, quasi-metallic, quasi-metaphysical, quasi-military, quasi-miracle, quasi-miraculous, quasi-modal, quasi-molecular, quasi-molecule, quasi-monastic, quasi-monopoly, quasi-mythical, quasi-neutral, quasi-neutrality, quasinorm, quasi-nuptial, quasi-object, quasi-official, quasi-optical, quasi-ossianic, quasi-parlando, quasi parlato, quasi-partner, quasi-peak, quasi-permanent, quasi-personal, quasi-philosophical, quasi-physical, quasiplatonic, quasiprojective, quasi-public, quasi-purposive, quasiquotation, quasiquote, quasi-religion, quasi-religious, quasirhombicosidodecahedron, quasirhombicuboctahedron, quasiromantic, quasi-romantic, quasi-science, quasi-semi, quasi-sensation, quasiseparable, quasi-simultaneous, quasi-simultaneously, quasistability, quasi-statement, quasi-stationary, quasisteady, quasi-substance, quasi-technical, quasi-thermodynamic, quasi-totalitarian, quasi-totality, quasitransitive, quasitruncated, quasi-universal, quasi-vacuity, quasi-verb, quasi-war

Related: quango, quasar, pseudo-

Spelling and sound

Hyphenation and homophones

Homophones: quasi

Semantic map

Other relationships

Sources

Where this information comes from

Wiktionary data was expanded into structured fields by Wiktextract. Matching Princeton WordNet definitions and semantic relationships, plus CMUdict ARPABET pronunciations, are merged into this same canonical word page.

Wiktionary text is credited to English Wiktionary contributors under Creative Commons Attribution-ShareAlike 4.0. The source entry and revision history URL, legal text, and the complete attribution and reuse instructions are collected on the site-wide Sources, credits & licenses page.

Changes made: Wiktionary markup was removed and matching senses were grouped; WordNet and CMUdict evidence was merged into the canonical word page. Source quotations with separate cited works are not republished.

The page is served entirely from a local, versioned copy; opening it makes no upstream request or external navigation.