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.
undoubtedly, doubtless, doubtlessly
(adverb) without doubt; certainly; “it’s undoubtedly very beautiful”
Source: WordNet® 3.1
doubtless (not comparable)
Characterized by or experiencing no doubt at all, certain; undoubted; undoubting.
(obsolete) Free from fear or suspicion.
doubtless (not comparable)
Without doubt; very probably, in all likelihood; doubtlessly.
• indubitably, undoubtedly, unquestionably, without a doubt, indisputably
Source: Wiktionary
Doubt"less, a.
Definition: Free from fear or suspicion. [Obs.] Pretty child, sleep doubtless and secure. Shak.
Doubt"less, adv.
Definition: Undoubtedly; without doubt.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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.