uninterrupted (adj.)
- ageless
 - articulated
 - assiduous
 - ceaseless
 - connected
 - consecutive
 - consistent
 - constant
 - continual
 - continued
 - continuing
 - continuous
 - cyclical
 - dateless
 - diligent
 - direct
 - dogged
 - endless
 - enduring
 - eternal
 - even
 - everlasting
 - faithful
 - featureless
 - flat
 - horizontal
 - immediate
 - immemorial
 - immutable
 - inalterable
 - incessant
 - indefatigable
 - indestructible
 - indomitable
 - industrious
 - infinite
 - insistent
 - interminable
 - invincible
 - irreversible
 - joined
 - lasting
 - level
 - lineal
 - linear
 - linked
 - loyal
 - monotonous
 - never-ending
 - nonstop
 - obstinate
 - one-way
 - orderly
 - oscillating
 - patient
 - perdurable
 - perennial
 - periodic
 - permanent
 - perpetual
 - persevering
 - persistent
 - persisting
 - pertinacious
 - plodding
 - preoccupied
 - rapid
 - rapt
 - rectilineal
 - rectilinear
 - recurrent
 - regular
 - relentless
 - repeated
 - repetitive
 - resolute
 - right
 - round-the-clock
 - running
 - seamless
 - sedulous
 - sempiternal
 - sequent
 - sequential
 - serial
 - serried
 - single-minded
 - sleepless
 - smooth
 - stable
 - staccato
 - steadfast
 - steady
 - straight
 - straightaway
 - straightforward
 - streamlined
 - stubborn
 - sustained
 - tenacious
 - through
 - tight
 - timeless
 - tireless
 - true
 - unbending
 - unbent
 - unbowed
 - unbroken
 - unceasing
 - unchanging
 - unconquerable
 - uncurved
 - undaunted
 - undeviating
 - undifferentiated
 - undiscouraged
 - undistorted
 - unending
 - unfailing
 - unfaltering
 - unflagging
 - unflinching
 - unidirectional
 - uniform
 - unrelenting
 - unrelieved
 - unremitting
 - unsleeping
 - unswerving
 - untiring
 - unturned
 - unvarying
 - unwavering
 - unwearied
 - unwearying
 - upright
 - vertical