Modifiers matching microbe:

• small,
• pathogenic,
• damaging,
• hazardous,
• undesirable,
• model,
• dangerous,
• heterotrophic,
• latent,
• toxic,
• larger,
• biological,
• tiny,
• cellular,
• harmful,
• conventional,
• deadly,
• destructive,
• opportunistic,
• indigenous,
• useful,
• effective,
• common,
• environmental,
• invasive,
• smaller,
• new,
• intracellular,
• marine,
• beneficial,
• unicellular,
• photosynthetic,
• positive,
• lethal,
• real,
• eukaryotic,
• anaerobic,
• contagious,
• nasty,
• parasitic,
• waterborne,
• viable,
• animal,
• infectious,
• unwanted,
• invisible,
• intestinal,
• primitive,
• higher,

Simple categories matching undesirable:

• bird,
• behavior,
• elements,
• area,
• activity,
• angle,
• trait,
• component,
• symptom,
• residue,
• emotion,
• lie,
• motive,
• chemical,
• substance,
• weather,
• cause,
• growth,
• sector,
• surface,
• event,
• material,
• agent,
• phase,
• behaviour,
• content,
• thing,
• mail,
• vegetation,
• zone,
• precipitate,
• reaction,
• matter,
• odour,
• animal,
• cation,
• software,
• nutrient,
• part,
• complication,
• sediment,
• pollutant,
• filler,
• stabilizer,
• plant,
• change,
• propensity,
• status,
• communication,
• taste,
• flora,
• consequence,
• product,
• email,
• formation,
• adduct,
• attribute,
• algae,
• microorganism,
• solid,
• location,
• metal,
• alteration,
• contaminant,
• outcome,
• experience,
• mammal,
• code,
• motion,
• occurrence,
• waste,
• use,
• phenomenon,
• mutation,
• ingredient,
• conduct,
• vermin,
• condition,
• fluid,
• feature,
• scene,
• noise,
• compound,
• fauna,
• organism,
• defect,
• character,
• quality,
• volatile,
• item,
• creature,
• light,
• bug,
• lipid,
• passion,
• sensation,
• metabolite,
• pest,
• bacteria,
• particle,
• deposit,
• artifact,
• result,
• thought,
• adaptation,
• industry,
• pattern,
• flaw,
• incident,
• characteristic,
• situation,
• layer,
• gas,
• microbe,
• website,
• object,
• property,
• rodent,
• facility,
• trouble,
• pathogen,
• state,
• practice,
• mineral,
• process,
• action,
• cell,
• constituent,
• route,