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questionable

In a sentence
Jeho rozhodnutie je otázne.
His decision is questionable.
Otázny je výsledok hlasovania v tejto otázke.
The outcome of the vote on this issue is questionable.
Jeho vysvetlenie znie otázne a neúplne.
His explanation sounds doubtful and incomplete.
Otázny výsledok ešte overujú v laboratóriu.
They are still verifying the questionable result in the lab.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.