Lewis & Short

vĕrēcundor, āri,

  1. I. v. dep. n. [verecundus], to feel bashful or ashamed, to be shy or diffident (rare but class.): verecundari neminem apud mensam decet, Plaut. Trin. 2, 4, 77: hi nostri amici verecundantur, capti splendore virtutis, Cic. Fragm. ap. Non. 480, 17: aliquem cunctantem et quasi verecundantem incitare, id. de Or. 3, 9, 36.
    With inf.: Sp. Carvilio graviter claudicanti ex vulnereet ob eam causam verecundanti in publicum prodire, Cic. de Or. 2, 61, 249.
  2. II. Transf., of things: (manus) probant, admirantur, verecundantur, express shame, Quint. 11, 3, 87.