1. Marked by firm determination or resolution; not shakable
   "unwavering loyalty"
   - firm, steadfast, steady, stiff, unbendable, unfaltering, unshakable, unshakeable 
2. Not showing abrupt variations
   - level

See also: resolute, steady, unwaveringly

• genus Vultur
• genus Weigela
• genus Welwitchia
• genus Welwitschia
• genus Wintera
• genus Wisteria
• genus Wolffia
• genus Wolffiella
• genus Woodsia
• genus Woodwardia
• genus Wyethia
• genus Wynnea
• genus Xanthium
• genus Xanthomonas
• genus Xanthorroea
• genus Xanthosoma
• genus Xenicus
• genus Xenopus
• genus Xenorhyncus
• genus Xenosaurus
• genus Xeranthemum
• genus Xerobates
• genus Xerophyllum
• genus Xiphias
• genus Xylaria