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.
impossibility, impossible action
(noun) an alternative that is not available
impossibility, impossibleness
(noun) incapability of existing or occurring
Source: WordNet® 3.1
impossibility (countable and uncountable, plural impossibilities)
Something that is impossible.
(uncountable) The quality of being impossible.
(obsolete) The state of being unable to do something.
Synonyms: inability, incapability, helplessness
• (something that is impossible): See also impossibility
• (something that is impossible): certainty, inevitability, possibility; See also possibility
Source: Wiktionary
Im*pos`si*bil"i*ty, n.; pl. Impossibilities. Etym: [L. impossibilitas: cf. F. impossibilité.]
1. The quality of being impossible; impracticability. They confound difficulty with impossibility. South.
2. An impossible thing; that which can not be thought, done, or endured. Impossibilities! O, no, there's none. Cowley.
3. Inability; helplessness. [R.] Latimer. Logical impossibility, a condition or statement involving contradiction or absurdity; as, that a thing can be and not be at the same time. See Principle of Contradiction, under Contradiction.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 May 2025
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
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.