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Update 2026-11-02

See what's new in the 2026-11-02 update:

  • We've reached 5,000 verbs in our Aspect pair tool.
  • We're continuously expanding our collection of online exercises covering various grammar topics. Explore the available exercises.
  • We've added a list of verbs that take the genitive case.

Update 2026-07-30

See what's new in the 2026-07-30 update:

  • We've updated the Prepositions section, specifically the Genitive-Accusative-Instrumental part, where the preposition s has been added with examples.
    We've also added Slovnik Mode to turn the prepositions into clickable links to Slovník Seznam for more details.
  • The layout of the Aspect pairs tool has been enhanced.
  • We've made changes to the layout of the Vocabulary section. Pages are now nested into categories.
  • The Food and ingredients vocabulary section has been renamed Food and drink, and its URL has also been changed.
  • We've made some graphic changes in the top menu to improve visibility when viewing the page on larger screens:
    top-menu-change

Aspect Pairs Tool – Overview and Methodology

Overview

The category of grammatical aspect is one of those topics that native speakers and teachers of Slavic languages (including Czech) are often reluctant to discuss, and that students frequently dread learning. This is undoubtedly due to its extreme complexity, unpredictability, and the inherent difficulty of explaining it in a clear, visual way.

While a dedicated e-book 1 and several websites 2 are available for Czech, a comprehensive, user-friendly tool for quickly looking up aspect pairs has been missing until now.

Aspect Pairs Tool in This Guide

Launched on June 1, 2026, this guide now includes a continuously growing database of aspect pairs that can be searched quickly and that provides additional grammatical information.

Try it below, or visit the dedicated page for additional features, including an error-reporting form and information about the size of the database.

Update 2026-06-01

See what's new in the 2026-06-01 update:

  • A few new words (such as tlakoměr, oftalmolog, gynekolog) have been added to the Health vocabulary section.
  • A summary view has been added to the Cardinal numerals section.
  • The Ordinal numerals page has been slightly rearranged, with the summary view now located at the top of the page.
  • A tool for searching aspect pairs has been launched.

Update 2026-04-07

See what's new in the 2026-04-07 update:

  • A brand new chapter, Substandard Czech, has been added.
  • New words have been added to the Housing vocabulary section.

  • We've improved the way English and Czech words are swapped in tables in the vocabulary section. There is now a toggle button at the top of each table. See the example below or visit, for example, the Entertainment section.

    English Czech Gender
    flute flétna F
    guitar kytara F
    musical instrument hudební nástroj Mi
    piano klavír Mi
    violin housle PL

  • New words, such as mícha or vousy, have been added to the Human body vocabulary section.

  • The Health vocabulary section has been updated: several new words have been added, and the tables have been reorganized.
  • New examples, such as vadit (like in Vadí mu to.) or ujet and uletět, have been added to the Object-centered expressions section.
  • Feminine forms have been added to the table in the Countries, languages, nationalities, continents vocabulary section.
  • in Updates, News
  • 1 min read

Update 2026-02-16

See what's new in the 2026-02-16 update:

  • A column with adjectival forms has been added to the Vegetables and Fruit subsections of the Food and drink vocabulary section.

  • A comparative table has been added to the Directions vocabulary section:

    Where Where to Where from
    nahoře nahoru svrchu / seshora
    dole dolů zespodu / (ze)zdola
    nalevo / vlevo doleva / vlevo zleva
    napravo / vpravo doprava / vpravo zprava
    uprostřed doprostřed zprostředka

  • A brand new chapter, Subjectless clauses, covering sentences like Prší. (It is raining.) or Není mi dobře. (I am not feeling well.) has been added.

  • A brand new chapter, Object-centered expressions, has been added to the Paradigms section.
  • We are testing a new feature called Příručka Mode, which displays Czech words in the Vocabulary section with clickable links to Příručka (Czech Language Reference Book). You can test it now in Family section.

  • We've added a function that displays Ordinal numerals as words when you enter a digit. Try it there or here:

  • A short subchapter about inverted ordinal numeral forms has been added.

  • in Updates, News
  • 1 min read

Update 2026-01-28

See what's new in the 2026-01-28 update:

  • A few adverbs (e.g. výjimečně, vzácně, skoro) have been added to the Adverbs section.
  • Section Dokumenty - Documents has been added to the Personal matters vocabulary section.
  • We are testing a new function in the Vocabulary section: sorting tables by English (default) or by Czech. This is available via a link below each table. You can try it, for example, in the Clothes and accessories, Human body, or Entertainment sections.

  • A function that allows users to change the font size in tables is currently in a test phase. The font size buttons are located above the tables, as you can see here, or for example in the Nouns - Group 1 grammar section.

    Table with font size buttons:

    Czech Gender English
    cestovní pas Mi travel passport
    občanský průkaz Mi ID card
    oddací list Mi marriage certificate
    rodný list Mi birth certificate
    úmrtní list Mi death certificate

    Table without font size buttons:

    Czech Gender English
    cestovní pas Mi travel passport
    občanský průkaz Mi ID card
    oddací list Mi marriage certificate
    rodný list Mi birth certificate
    úmrtní list Mi death certificate
  • in Updates, News
  • 1 min read

Update 2025-12-31

See what's new in the 2025-12-31 update:

  • Several new words (e.g. žloutek or bílek) have been added to the Food and drink vocabulary section.
  • Some new words (e.g. papoušek) have been added to the Animals vocabulary section.
  • The current date is now displayed at the top of the main page, both in digits and in words.
  • The Punctuation marks and diacritics vocabulary section has been improved. Symbols are now shown in bold for better visibility.
  • Some modification were made to the Prepositions section.
  • A new section, Where from, has been added to the Directions vocabulary section.
  • The Entertainment vocabulary section has been rearranged, and some new words have been added.
  • A new subsection Parts of a car has been added to the Travel vocabulary section.
  • A brand new vocabulary section, Town and cities, has been added.
  • A new visualisation of noun declension is being tested. Hovering the word, declension table shows instantly. When you hover over a word, the declension table is shown instantly. Clicking it redirects you to a comprehensive overview of declension models.
  • We are testing a new feature for highlighting endings. Click the buttons below to try it out.
    • studenta
    • lesa
    • škola
    • kola
  • in Updates, News
  • 1 min read

Update 2025-11-27

See what's new in the 2025-11-27 update:

  • A brand-new section, Phonetics, has been added. You can also access it from the main top menu.
  • An explanation of the Question tags has been added to the Paradigms section.
  • The category Senses (Smysly) has been added to the Health vocabulary section.
  • Several new words have been added to the Travel vocabulary section.
  • Information about handwritten forms has been added to the Alphabet section.
  • Additional terms have been included in the Terminology section.
  • More explanations relating to time have been added to the Time expressions section.
  • in Updates, News
  • 1 min read

Update 2025-08-27

See what's new in the 2025-08-27 update:

  • An overview of Conjunctions is now available for study.
  • Beta: Some Vocabulary pages include a Vocabulary test section, allowing visitors to review what they've learned. These pages are marked with icon . Try Space, Travel, or Sports.
  • The Countries, languages, nationalities, continents page has been expanded with new adverbs.
  • The word zásuvka (socket) and other useful terms have been added to the Housing vocabulary section.
  • The word steh (stitch) has been added to the Health vocabulary section.
  • The adverbs příliš (too, overly, excessively) and opět, zase (again) have been added to the Adverbs section.
  • Several new words have been added to the Animals vocabulary section.

What is currently being maintained and what will be included in the upcoming update:

  • Question tags