(ordered by popularity)
thorough
careful
long
diligent
exhaustive
further
systematic
fruitless
constant
visual
local
extensive
desperate
frantic
vain
active
intensive
quick
random
sequential
successful
futile
unsuccessful
simple
unreasonable
heuristic
initial
endless
online
illegal
linear
continuous
wide
strict
spiritual
tabu
eager
warrantless
binary
subsequent
global
continual
restless
ongoing
comprehensive
based
relentless
directed
continued
immediate
persistent
anxious
intense
efficient
prolonged
preliminary
detailed
deliberate
brief
earnest
vigorous
parallel
genetic
manual
conscious
patient
lifelong
minute
unlawful
rigorous
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