straightforward (adj.)

• aboveboard
• apparent
• artless
• ascetic
• austere
• bald
• bare
• barefaced
• bluff
• blunt
• broad
• brusque
• candid
• casual
• chaste
• classic
• clean-cut
• clear
• clear-cut
• coherent
• common
• commonplace
• connected
• consistent
• crisp
• crystalline
• cushy
• dead
• defined
• definite
• direct
• distinct
• downright
• dry
• due
• dull
• easy
• effortless
• elegant
• evident
• explicit
• express
• facile
• finished
• forthright
• frank
• free
• free-spoken
• genuine
• glib
• graceful
• gracile
• heart-to-heart
• homely
• homespun
• honest
• honorable
• immediate
• ingenuous
• irreversible
• just
• lean
• light
• limpid
• lucid
• luminous
• manifest
• matter-of-fact
• native
• natural
• neat
• one-way
• open
• openhearted
• outspoken
• painless
• palpable
• patent
• pellucid
• perspicuous
• plain
• polished
• prosaic
• prosy
• pure
• refined
• restrained
• right
• round
• rustic
• severe
• simple
• sincere
• smooth
• sober
• soft
• spare
• stark
• straight
• straight-out
• straightaway
• tasteful
• terse
• through
• translucent
• transparent
• trim
• unadorned
• unaffected
• unambiguous
• unassuming
• unbroken
• unchecked
• uncomplicated
• unconcealed
• unconfused
• unconstrained
• undeviating
• undisguised
• unequivocal
• unguarded
• unidirectional
• unimaginative
• uninterrupted
• uninvolved
• univocal
• unmistakable
• unpretending
• unpretentious
• unreserved
• unrestrained
• unswerving
• unvarnished
• upright
• upstanding
• well-defined