dangerous drug (noun) controlled substance: addictive drug
Sinonime: apostrophe, aside, deflection, departure, detour,
difference, discursion, divagation, divergence,
diversion, drifting,
episode,
excursion, excursus, footnote,
incident,
note, obiter dictum, parenthesis,
rambling,
variation,
wanderingAntonime: directness, straightness