flowing back. refluent, [ebbing].--n. refluence, [ebb].
flowing in. influx.--a. influent, incurrent.
flowing out. efflux, effluxion, effluence.--a. effluent, excurrent.
flowing round. circumfluent.
fluctuate, v. [vacillate], [waver], [oscillate], whiffle, [swerve]. Antonyms: continue, [persist], adhere, [abide], [remain], stand [fast].
fluctuation, n. [vacillation], [wavering], oscillation, instability.
fluent, a. [flowing], gliding; [voluble].
fluid, n. [liquid], liquor, [solution].
flunk, v. (Colloq.) [fail], [back out].--n. [failure].
flunky, n. [lackey], [footman], [servant]; [snob], [toady], [sycophant].