adjective
of course, natural
A2
natürlich: adjective/adverb meaning 'of course' (certainly) and 'natural' (not artificial). Gradable adjective (comparative natürlicher; superlative am natürlichsten). Antonyms include künstlich/unnatürlich. Commonly used as an interjection “Natürlich!” Used frequently in spoken German to agree or emphasize. No reflexivity or special preposition; regular adjective morphology.
Examples
Natürlich helfe ich dir morgen.
Of course I'll help you tomorrow.
Die Moderatorin meinte, dass es natürlich war, dass die Diskussion länger dauerte, weil viele Zuschauer Fragen stellten.
The moderator thought that it was natural that the discussion lasted longer because many viewers asked questions.
Das ist ein natürliches Material.
That is a natural material.
Details
Mnemonics
Picture someone nodding and saying 'natürlich' (of course) with a friendly smile.
natürlich ~ 'natural' (similar sound and meaning)
Notes
natürlich functions both as an adjective ('natural') and as a discourse particle meaning 'of course'. Here treated as an adjective per source.