opiate. 1  a drug containing opium or its derivatives, used in medicine for inducing sleep and relieving pain. 2  any sedative, soporific, or narcotic. 3  anything that causes dullness or inaction or that soothes the feelings. 4  mixed or prepared with opium. 5  inducing sleep; soporific; narcotic. 6  causing dullness or inaction. 7  to subject to an opiate; stupefy.
Each puzzle has one and only one unique solution, and each can be solved using only pure logical deduction-guessing and trial-and-error methods are never required for these puzzles. If you're new to numbergrids, try the smaller puzzles first, then move on to the larger ones.
While solving Sudoku puzzles can be significant challenge, the rules for traditional solution finding are quite straight forward: 1  Each row, column, and nonet can contain each number (typically 1 to 9) exactly once. 2  The sum of all numbers in any nonet, row, or column must match the small number printed in its corner.