reductive (adj.)

• ablative
• backward
• coarse
• crude
• decreasing
• decrescendo
• deductive
• deliquescent
• diminishing
• diminuendo
• dwindling
• embryonic
• erosive
• rough
• roughhewn
• rude
• rudimentary
• simplistic
• stunted
• subtractive
• uncultivated
• uncultured
• uncut
• underdeveloped
• undeveloped
• unfinished
• unformed
• unhewn
• unpolished
• unprocessed
• unrefined
• untreated
• waning