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.
unimpugnable (comparative more unimpugnable, superlative most unimpugnable)
That cannot be impugned; beyond reproach or attack.
Source: Wiktionary
4 June 2025
(verb) bestow a quality on; “Her presence lends a certain cachet to the company”; “The music added a lot to the play”; “She brings a special atmosphere to our meetings”; “This adds a light note to the program”
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.