Antonyms of adj tiddly

1 sense of tiddly

Sense 1
potty, tiddly, tipsy -- (slightly intoxicated)

INDIRECT (VIA intoxicated) -> sober -- (not affected by a chemical substance (especially alcohol))

Similarity of adj tiddly

1 sense of tiddly

Sense 1
potty, tiddly, tipsy -- (slightly intoxicated)
       => intoxicated (vs. sober), drunk, inebriated -- (stupefied or excited by a chemical substance (especially alcohol); "a noisy crowd of intoxicated sailors"; "helplessly inebriated")