rational
German, adjective[ˌʁat͡si̯oˈnaːl]
rational is spelled R-A-T-I-O-N-A-L (8 letters) and appears 3.4 times per million words in written German, the 16,394th most frequent German word form (wordfreq, 2021 data). Rational is a German adjective meaning “rational” (English Wiktionary, September 2026). The German Wiktionary defines it as “mit dem Verstand, der Vernunft zu tun habend”.
What does rational mean in English?
adjective
- 1
rational
Source: English Wiktionary, German section, dump of September 2, 2026 (CC BY-SA 4.0).
How German dictionaries define it
adjective: 1. mit dem Verstand, der Vernunft zu tun habend 2. als Verhältnis zweier Ganzzahlen (als Bruch) darstellbar
The definition in the German Wiktionary, in German.
Source: German Wiktionary, dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of rational
- rationaler masculine nominative singular
- am rationalsten superlative
- rationale feminine nominative singular
- rationales neuter nominative singular
- rationalen genitive masculine singular
- rationalem dative masculine singular
- der rationale definite includes-article masculine
- die rationale definite feminine includes-article
- das rationale definite includes-article neuter
- die rationalen definite includes-article nominative
- des rationalen definite genitive includes-article
- der rationalen definite feminine genitive
- dem rationalen dative definite includes-article
- rat. abbreviation
Source: English Wiktionary and German Wiktionary (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce rational?
- [ˌʁat͡si̯oˈnaːl]
Sources: English Wiktionary, German Wiktionary (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to rational
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is rational in German?
rational appears 3.4 times per million words in written German.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).