unachievable, unattainable, undoable, unrealizable
(adjective) impossible to achieve; “an unattainable goal”
Source: WordNet® 3.1
unachievable (comparative more unachievable, superlative most unachievable)
That cannot be achieved (or only with great difficulty)
Source: Wiktionary
9 October 2024
(noun) a volatile substance; a substance that changes readily from solid or liquid to a vapor; “it was heated to evaporate the volatiles”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
