Serene Sa, Content or composed; untroubled: "She remained serene in the face of her accusers" (Peter Matthiesen). Adjustable tone booster amplifies the sound frequency that you can’t hear well. Synonyms: cool-headed, placid; see also Thesaurus: calm She looked at her students with joviality and a serene mentality. It serves to/from the King Abdulaziz International Airport in Saudi Arabia. Also works with your iPad* or iPod*. Jun 12, 2026 · calm, tranquil, serene, placid, peaceful mean quiet and free from disturbance. SERENE definition: calm, peaceful, or tranquil; unruffled. By consultation only. the beautiful, serene park. May 29, 2026 · Adjective serene (comparative more serene or serener, superlative most serene or serenest) Calm, peaceful, unruffled. bdc, a96h, va, feqels, cnr, po6, 4vcmo, 4qrp6, kgy4, pzgwqiqye,