irreplaceable, unreplaceable
(adjective) impossible to replace; “irreplaceable antiques”
Source: WordNet® 3.1
irreplaceable (not comparable)
That cannot be replaced, especially because it is unique.
• replaceable
Source: Wiktionary
6 June 2025
(noun) wit having a sharp and caustic quality; “he commented with typical pungency”; “the bite of satire”
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.
