recurrent (adj.)

• alternate
• articulated
• automatic
• beaten
• ceaseless
• circling
• common
• connected
• constant
• continual
• continued
• continuing
• continuous
• cyclic
• cyclical
• direct
• endless
• epochal
• even
• everyday
• featureless
• frequent
• habitual
• hackneyed
• haunting
• immediate
• incessant
• indelible
• interminable
• intermittent
• isochronal
• isochronous
• iterative
• joined
• linked
• many
• measured
• monotonous
• nagging
• never-ending
• nonstop
• obsessive
• ordinary
• oscillatory
• perennial
• periodic
• periodical
• persistent
• prevalent
• reciprocal
• recurring
• regular
• repeated
• repetitious
• repetitive
• returning
• revenant
• rhythmic
• rotary
• round-the-clock
• routine
• running
• seamless
• seasonal
• serial
• serried
• smooth
• stable
• steady
• stereotyped
• straight
• thematic
• trite
• ubiquitous
• unbroken
• unceasing
• undifferentiated
• undulant
• undulatory
• unending
• unforgettable
• uniform
• uninterrupted
• unrelieved
• unremitting
• usual
• wavelike
• well-worn
• wheeling