mortal, letal, fatal
1. Informal or slang variation of 'deadly' meaning extremely dangerous, lethal, or capable of causing death
That's a deady weapon.
Essa é uma arma mortal.
2. Slang meaning extremely impressive, excellent, or cool (primarily British/Commonwealth usage)
That party was deady!
Aquela festa foi incrível!
NYC Slang
sick, fire, dope (as positive slang)
Related Idioms & Phrases
deadly serious - mortalmente sério
deadly weapon - arma letal
deadly sin - pecado mortal
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