monolithic (adj.)

• accordant
• alike
• austere
• automatic
• balanced
• bare
• basic
• characterless
• chaste
• colossal
• consistent
• consonant
• constant
• continuous
• correspondent
• craggy
• crystalline
• elementary
• enormous
• equable
• equal
• essential
• even
• featureless
• flat
• fundamental
• giant
• gigantic
• gravelly
• gritty
• homely
• homespun
• homogeneous
• huge
• immovable
• immutable
• impenetrable
• imposing
• indivisible
• inflexible
• intractable
• invariable
• invulnerable
• irreducible
• level
• massive
• measured
• mechanical
• mere
• monumental
• ordered
• orderly
• pebbly
• persistent
• plain
• porphyritic
• primal
• primary
• pure
• regular
• rigid
• robotlike
• rock-ribbed
• rocklike
• rocky
• sandy
• severe
• shingly
• simple
• single
• smooth
• solid
• spare
• stable
• stark
• steadfast
• steady
• stolid
• stonelike
• stony
• systematic
• unadorned
• unbending
• unbroken
• unchangeable
• unchanged
• unchanging
• uncluttered
• undeviating
• undifferentiated
• undiversified
• uniform
• unruffled
• unvaried
• unvarying