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

• streusel
• strew
• strewing
• strewth
• stria
• striate
• striate area
• striate body
• striate cortex
• striate vein
• striated muscle
• striated muscle cell
• striated muscle fiber
• striated muscle fibre
• striated muscle tissue
• striation
• striatum
• strick
• stricken
• Strickland
• strickle
• strict
• striction
• strictly
• strictly speaking