Research & language / Database

DEX online — Romanian lexicographic database

Complete downloadable database of dictionary definitions, inflection paradigms and etymologies from over 30 reference dictionaries of Romanian, accompanied by a public REST API.

Open the source ↗JSON ↓Start a dossier with this source →

Before you use this resource

Definitions reflect dictionaries printed across different historical eras (from interwar editions to modern works); spelling rules and ideological notes from earlier eras are preserved verbatim as printed.

Published by: DEX online Association
Source: Community
Collection: Research & language
Resource type: Database
Coverage: Romanian language
Documented formats: SQL, JSON, HTML
Licence / terms: CC-BY-SA-4.0
API access: Documented API
Record review date: 2026-09-07
Last resource update: 2026-08-01
Technical data audit: Not performed
Documentation: Source reviewed

Documentation

Data dump downloads and public API documentation verified on dexonline.ro.

The cited page documents this record. Check the original source for terms and versions before reuse.

dexonline.ro ↗

Getting started

Download the SQL dump or aggregated JSON exports for offline linguistic research.
Use the inflection table to lemmatize tokens and generate conjugation or declension forms.
Query the REST API (`/api/v1/word/{cuvant}`) for lightweight real-time lookup.

Access and checks

DEX online database download ↗ · SQL
Sample inspected on 2026-09-07
DEX online API documentation ↗ · JSON
Sample inspected on 2026-09-07

Reuse terms evidence ↗

Direct API queries

curl -s 'https://dexonline.ro/api' | jq .

import urllib.request
import json

url = "https://dexonline.ro/api"
req = urllib.request.Request(url, headers={"User-Agent": "CunoastereDeschisa/1.7"})
with urllib.request.urlopen(req) as resp:
    data = json.loads(resp.read().decode("utf-8"))
    print(json.dumps(data, indent=2)[:500])

library(jsonlite)

data <- fromJSON("https://dexonline.ro/api")
str(data)

INSTALL httpfs;
LOAD httpfs;

SELECT * FROM read_json_auto('https://dexonline.ro/api')
LIMIT 10;

Executable query snippets for command line, data pipelines, or DuckDB.

Continue your research

Editorial suggestions for discovery. These links do not establish technical integration or licence compatibility.