This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. phishing against a small group of selected targets who are more likely to be attracted

"Zero-day attacks enabled by the vulnerability could be used for "spearphishing" -- phishing targeted at a select pool of victims, according to antivirus vendor Symantec, which discovered the threat."