"perfectest" in the adjective sense
1. perfect
being complete of its kind and without defect or blemish
"a perfect circle"
"a perfect reproduction"
"perfect happiness"
"perfect manners"
"a perfect specimen"
"a perfect day"
2. arrant, complete, consummate, double-dyed, everlasting, gross, perfect, pure, sodding, stark, staring, thorough, thoroughgoing, utter, unadulterated
without qualification used informally as (often pejorative) intensifiers
"an arrant fool"
"a complete coward"
"a consummate fool"
"a double-dyed villain"
"gross negligence"
"a perfect idiot"
"pure folly"
"what a sodding mess"
"stark staring mad"
"a thorough nuisance"
"a thoroughgoing villain"
"utter nonsense"
"the unadulterated truth"
3. perfect
precisely accurate or exact
"perfect timing"
Source: WordNet® (An amazing lexical database of English)
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