Words to Describe inroads

How inroads often is described ("________ inroads")

• dramatic
• appreciable
• devastating
• tremendous
• mongol
• terrible
• despotic
• successful
• sudden
• turkish
• vast
• greater
• substantial
• cruel
• deep
• gradual
• great
• steady
• strong
• heavy
• fresh
• desolating
• slow
• barbarian
• vexatious
• japanese
• huge
• important
• soviet
• massive
• sad
• formidable
• few
• minor
• continual
• rapid
• serious
• constant
• further
• deeper
• modest
• competitive
• fearful
• impressive
• destructive
• considerable
• frequent
• savage
• occasional
• dangerous
• slight
• noticeable
• predatory
• incessant
• greatest
• barbarous
• republican
• fatal
• insidious
• perpetual
• successive
• communist
• danish
• significant
• severe
• alarming
• major
• extensive
• limited
• enormous
• hostile