碌すっぽ、陸すっぽ
ろくすっぽ、ろくずっぽ、ろくすっぽう
rokusuppo
JMdict entry #2216830
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adverb (fukushi)
colloquialword usually written using kana alone
(not) well; (not) properly; (not) enough; (not) sufficiently; (not) satisfactorily
see: ろくに