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.
abortive, stillborn, unsuccessful
(adjective) failing to accomplish an intended result; “an abortive revolt”; “a stillborn plot to assassinate the President”
unsuccessful
(adjective) not successful; having failed or having an unfavorable outcome
Source: WordNet® 3.1
unsuccessful (comparative more unsuccessful, superlative most unsuccessful)
Failed, not successful.
• successful
Source: Wiktionary
Un`suc*cess"ful, a.
Definition: Not successful; not producing the desired event; not fortunate; meeting with, or resulting in, failure; unlucky; unhappy.
– Un`suc*cess"ful*ly, adv.
– Un`suc*cess"ful*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition
6 June 2025
(noun) wit having a sharp and caustic quality; “he commented with typical pungency”; “the bite of satire”
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.