Synset

completely and without qualification; used informally as intensifiers
<adv.all>   freq. cnt.: 34 freq. cnt.: 13 freq. cnt.: 13 freq. cnt.: 8

absolutely

dead

perfectly

utterly

sample sentences

"an absolutely magnificent painting"
"a perfectly idiotic idea"
"you're perfectly right"
"utterly miserable"
"you can be dead sure of my innocence"
"was dead tired"
"dead right"