Modifiers matching energy:

• ambient,
• intensive,
• physical,
• electrical,
• natural,
• electromagnetic,
• cosmic,
• concentrated,
• renewable,
• kinetic,
• mechanical,
• mystical,
• new,
• exotic,
• elemental,
• tangible,
• external,
• positive,
• subtle,
• spiritual,
• high,
• vibrational,
• related,
• useful,
• outside,
• thermal,
• direct,
• home,
• contemporary,
• non-visible,
• directed,
• widespread,
• convenient,
• good,
• atmospheric,
• cohesive,
• world,
• noncommercial,
• optical,
• cheap,
• secondary,
• intermediate,
• functional,
• clear,
• central,
• modern,
• strong,
• demanding,
• magnetic,
• usable,
• free,
• destructive,
• abstract,
• light,
• cleaner,
• religious,
• diverse,
• off,
• mental,
• simple,
• consumable,
• domestic,
• internal,
• surrounding,
• clean,
• harmful,
• commercial,
• lower,
• excessive,
• conventional,
• warming,
• acoustic,
• available,
• ordinary,
• visible,
• therapeutic,
• sufficient,
• essential,
• psychological,
• noxious,
• powerful,
• relevant,
• dangerous,
• nuclear,
• primary,
• extraordinary,
• efficient,
• divine,
• intense,
• negative,
• electric,
• molecular,
• bad,
• easy,
• cold,
• marine,
• incident,
• passive,
• geophysical,
• radiant,
• invisible,
• solar,
• final,
• dynamical,
• unwanted,
• spectral,

Simple categories matching invisible:

• character,
• state,
• ideal,
• force,
• entity,
• being,
• level,
• thing,
• adhesive,
• quantity,
• agent,
• disease,
• wave,
• creature,
• material,
• property,
• substance,
• illness,
• image,
• fluid,
• difficulty,
• course,
• quality,
• light,
• microorganism,
• trade,
• item,
• nature,
• process,
• object,
• vision,
• variable,
• organism,
• phenomenon,
• disability,
• gas,
• matter,
• power,
• symptom,
• reality,
• difference,
• ink,
• contaminant,
• substructure,
• structure,
• import,
• objective,
• ray,
• germ,
• offense,
• radiation,
• range,
• diversity,
• cause,
• attribute,
• condition,
• microbe,
• trait,
• elements,
• defect,
• particle,
• symbol,
• energy,