"grossest" in the adjective sense
1. gross
before any deductions
"gross income"
2. gross
lacking fine distinctions or detail
"the gross details of the structure appear reasonable"
3. gross, porcine
repellently fat
"a bald porcine old man"
4. megascopic, gross
visible to the naked eye (especially of rocks and anatomical features)
5. 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"
6. crude, earthy, gross, vulgar
conspicuously and tastelessly indecent
"coarse language"
"a crude joke"
"crude behavior"
"an earthy sense of humor"
"a revoltingly gross expletive"
"a vulgar gesture"
"full of language so vulgar it should have been edited"
7. crying, egregious, flagrant, glaring, gross, rank
conspicuously and outrageously bad or reprehensible
"a crying shame"
"an egregious lie"
"flagrant violation of human rights"
"a glaring error"
"gross ineptitude"
"gross injustice"
"rank treachery"
Source: WordNet® (An amazing lexical database of English)
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