There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
treachery, betrayal, treason, perfidy
(noun) an act of deliberate betrayal
perfidy, perfidiousness, treachery
(noun) betrayal of a trust
Source: WordNet® 3.1
perfidy (countable and uncountable, plural perfidies)
A state or act of violating faith or allegiance; violation of a promise or vow, or of trust
Synonyms: treachery, betrayal
(legal) Specifically, in warfare, an illegitimate act of deception, such as using symbols like the Red Cross or white flag to gain proximity to an enemy for purposes of attack.
A state or act of deceit.
• perfidiousness
Source: Wiktionary
Per"fi*dy, n.; pl. Perfidies. Etym: [L. perfidia, fr. L. perfidus faithless; per (cf. Skr. para away) + fides faith: cf. F. perfidie. See Faith.]
Definition: The act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; teachery. The ambition and perfidy of tyrants. Macaulay. His perfidy to this sacred engagement. DeQuincey.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.