This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
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adj. sarcastic

"Perhaps they just bashed it out quickly, possibly whilst on tour, because the lyrics include the kind of sarky witticsims Bono was regularly trotting out in interviews at the time ( "we don't know what we're doing."

snarky    sarcastic