Alterable is a related term of fitful.
As adjectives the difference between alterable and fitful
is that alterable
is alterable while fitful
is irregular; unsteady; characterized by fits.
Capable of being changed, changeable, mutable
Something that can be altered; a variable.
Irregular; unsteady; characterized by fits.
*1605 , Shakespeare, Macbeth ,
- His breathing was fitful .
- [...] Duncan is in his grave;
*:The cabin lamp—taking long swings this way and that— was burning fitfully, and casting fitful shadows upon the old man’s bolted door [...]
*2012 , The Economist,
- After life's fitful fever he sleeps well;
The economy: Don’t say “green shoots”
*:So fitful has Britain’s economy been that any good news is understandably snatched at.