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Synonyms for Fuzzy (same or very similar meaning)

WordNet sense 1 (indistinct or hazy in outline):
bleary, blurred, blurry, foggy, hazy, muzzy

WordNet sense 2 (not clearly defined or easy to perceive or understand):

WordNet sense 3 (without logical or meaningful connection):

WordNet sense 4 (covering with fine light hairs):

WordNet sense 5 (having or covered with hair):
haired, hairy, hirsute

From the ODE community, based on WordNetadd/edit