shifting
1. [ adjective ] continuously moving or changing from position or direction
Examples:

"he drifted into the shifting crowd" "their nervous shifting glances"

Related terms: moving
2. [ adjective ] continuously varying
Examples:

"taffeta with shifting colors"

Related terms: variable
3. [ adjective ] (of soil) unstable
Synonyms: unfirm
Examples:

"shifting sands" "unfirm earth"

Related terms: loose
4. [ noun ] the act of moving from one place to another
Synonyms: shift
Examples:

"his constant shifting disrupted the class"

Related terms: motion stir transfer careen
Similar spelling:   sifting
  shiftiness