Words to Describe deterrents

How deterrents often is described ("________ deterrents")

• nuclear
• useful
• principal
• biggest
• ineffective
• greater
• adequate
• chief
• substantial
• obvious
• institutional
• harsh
• legal
• credible
• only
• potential
• potent
• environmental
• strong
• primary
• formal
• physical
• additional
• fewer
• conventional
• important
• massive
• formidable
• main
• enough
• sufficient
• serious
• british
• chemical
• biological
• usual
• further
• stronger
• practical
• mutual
• best
• visible
• national
• proactive
• strongest
• insufficient
• strategic
• psychological
• greatest
• economic
• ultimate
• effective
• possible
• structural
• powerful
• independent
• prime
• significant
• severe
• other
• major
• external