Coming at the beginning; first
Commonplace
Invasive
Designate
Mark or point out; select
People who support or speak in favor of a cause
Initial
Irrational
Ordinary and unremarkable
Trending to spread and take over areas
Material that slows or prevents the transfer of heat, cold, sound, or electricity
Not logical or sensible
Advocates
Insulation
Optimal
Best, most satisfactory