firm, steadfast, steady, stiff, unbendable, unfaltering, unshakable, unwavering
(adjective) marked by firm determination or resolution; not shakable; “firm convictions”; “a firm mouth”; “steadfast resolve”; “a man of unbendable perseverence”; “unwavering loyalty”
Source: WordNet® 3.1
unfaltering (comparative more unfaltering, superlative most unfaltering)
Without faltering, continuous, steadfast.
Source: Wiktionary
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
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.
