absolute
straightforward
unquestionable
apodictic
apparent
bound
certain
clean-cut
clear
clear and distinct
clear as crystal
clear as day
clear-cut
coherent
conclusive
connected
consistent
crisp
crystal-clear
crystalline
decisive
defined
definite
determinate
direct
distinct
evident
explicit
express
indubitable
ineluctable
inevitable
limpid
loud and clear
lucid
luminous
manifest
monadal
monadic
necessary
obvious
one-piece
one-sided
palpable
patent
pellucid
perfectly sure
perspicuous
plain
positive
unison
ambiguous
equivocal