unintermittent (?.)

• articulated
• catenated
• ceaseless
• chattering
• concatenated
• connected
• constant
• continual
• continued
• continuing
• continuous
• cyclical
• direct
• endless
• featureless
• gapless
• immediate
• incessant
• interminable
• joined
• jointless
• linked
• machine gun
• monotonous
• never-ending
• nonstop
• oscillating
• perennial
• periodic
• perpetual
• pulsating
• rapid
• recurrent
• regular
• repeated
• repetitive
• round-the-clock
• running
• seamless
• serried
• smooth
• stable
• staccato
• steady
• straight
• stuttering
• sustained
• twenty-four-hour
• unbroken
• unceasing
• unchanging
• undifferentiated
• unending
• uniform
• unintermitted
• unintermitting
• uninterrupted
• unrelieved
• unremitting
• unstopped
• unvarying
• vibrating