Federal Reserve rules require that assets be constantly revalued to their fluctuating market value.
The tent's digital glow and fluctuating lighting evoked a very, very fancy wedding.
Gender fluid people may have dynamic or fluctuating understandings of their gender, moving between categories as feels right.
fluctuate fluc·tu·ate (flŭk'chōō-āt')
v. fluc·tu·at·ed, fluc·tu·at·ing, fluc·tu·ates
To vary irregularly.
To rise and fall in waves; undulate.