Ambiguous

Ambiguous adj.  Open to more than one interpretation: “An ambiguous response.” Doubtful or uncertain. “The survey results were ambiguous."


 48/2(9+3) is ambiguous

Prodigious

Prodigious (pro·di·gious) adj. Remarkably or impressively great in extent, size, or degree.

Nefarious

Nefarious adj.  Infamous by way of being extremely wicked. Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile.

Expeditious

Expeditious (ex·pe·di·tious) adj.  Acting or done with speed and efficency

Tim finished all the work for the week Expeditiously