crank letter

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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.crank letter - a hostile (usually anonymous) letter
letter, missive - a written message addressed to a person or organization; "mailed an indignant letter to the editor"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
It might well be a crank letter. Should I take that chance, or should I pull out of the competition altogether?
"If you think this is a hoax, or a crank letter, think again.
Mr Roberts said he made the crucial decision to continue searching after the twisted clergyman's confession because he sensed the cleric was concealing more than crank letter writing.