1. Not monotonic

Antonym: monotonic

• woolgather
• woolgatherer
• woolgathering
• Woollcott
• woollen
• Woolley
• woolliness
• woolly
• woolly adelgid
• woolly alder aphid
• woolly aphid
• woolly apple aphid
• woolly bear
• woolly bear caterpillar
• woolly bear moth
• woolly daisy
• woolly indris
• woolly mammoth
• woolly manzanita
• woolly monkey
• woolly mullein
• woolly plant louse
• woolly rhinoceros
• woolly sunflower
• woolly thistle