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nonsensical

In a sentence
Je to proste nezmyselné.
It is neither more nor less than absurd.
Nezmyselný zákaz všetkých len nahneval.
The pointless ban only angered everyone.
Je nezmyselné čakať v rade dve hodiny.
It is nonsensical to wait in line for two hours.
Nezmyselný spor o maličkosť všetkých unavil.
A pointless quarrel over a trifle tired everyone.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.