tranquil Meaning, Definition & Usage

  1. adjective satellite (of a body of water) free from disturbance by heavy waves
    smooth; quiet; unruffled; placid; still.
    • a ribbon of sand between the angry sea and the placid bay
    • the quiet waters of a lagoon
    • a lake of tranquil blue water reflecting a tranquil blue sky
    • a smooth channel crossing
    • scarcely a ripple on the still water
    • unruffled water
  2. adjective satellite not agitated; without losing self-possession
    serene; unagitated; calm.
    • spoke in a calm voice
    • remained calm throughout the uproar
    • he remained serene in the midst of turbulence
    • a serene expression on her face
    • she became more tranquil
    • tranquil life in the country

WordNet

Tran"quil adjective
Etymology
L. tranquillus; probably fr. trans across, over + a word akin to quietus quiet: cf. F. tranquille. See Quiet.
Definitions
  1. Quiet; calm; undisturbed; peaceful; not agitated; as, the atmosphere is tranquil; the condition of the country is tranquil.
    A style clear, tranquil, easy to follow. De Quincey.

Webster 1913