(a.) Making an incursion; invasive; aggressive; hostile.

acid action active actuating advancing adventuresome adventurous agency aggressive ambitious animating assailing assaulting attacking automobiling bicycling biking biting blinding busing cat-and-doggish causal causative charging coactive compelling compulsatory compulsive compulsory conduct constraining corrosive cutting cycling direction directive drippy drizzling drizzly drumming dynamic effective enterprising equitation execution exercise forceful forcible functioning go-ahead gripping gutsy handling holding horseback riding horsemanship hustling impellent impelling imperative imperious impressive impulsive in motion incisive incursionary incursive inducive invading invasionary invasive irresistible irruptive lively management manipulation misty misty-moisty mizzly mobile mordant motile motivating motivational motive motor motorcycling motoring moving nervous obsessing obsessional obsessive occupation operancy operation pedaling pelting penetrating performance performing piercing pluvial pluviose pluvious poignant possessing pouring powerful practice preoccupying pressing propellant propelling propulsive propulsory pulsive punchy pushful pushing pushy rainy responsibility restraining riding running sensational shoving showery sinewed sinewy slashing steering stirring streaming striking strong telling thrusting transitional traveling trenchant up-and-coming urgent venturesome venturous vigorous vital work working workings