Antonyms of adj reverent

2 senses of reverent

Sense 1
reverent (vs. irreverent) -- (feeling or showing profound respect or veneration; "maintained a reverent silence")

irreverent (vs. reverent) -- (showing lack of due respect or veneration; "irreverent scholars mocking sacred things"; "noisy irreverent tourists")
        => blasphemous, profane, sacrilegious -- (grossly irreverent toward what is held to be sacred; "blasphemous rites of a witches' Sabbath"; "profane utterances against the Church"; "it is sacrilegious to enter with shoes on")
        => aweless, awless, disrespectful -- (neither feeling nor showing respect)

Sense 2
godly, reverent, worshipful -- (showing great reverence for god; "a godly man"; "leading a godly life")

INDIRECT (VIA pious) -> impious -- (lacking piety or reverence for a god)

Similarity of adj reverent

2 senses of reverent

Sense 1
reverent (vs. irreverent) -- (feeling or showing profound respect or veneration; "maintained a reverent silence")
       => adoring, worshipful -- (showing adoration)
       => awed, awful -- (inspired by a feeling of fearful wonderment or reverence; "awed by the silence"; "awful worshippers with bowed heads")
       => respectful, reverential, venerating -- (feeling or manifesting veneration)
          Also See-> respectful#1

Sense 2
godly, reverent, worshipful -- (showing great reverence for god; "a godly man"; "leading a godly life")
       => pious (vs. impious) -- (having or showing or expressing reverence for a deity; "pious readings")