Lewis & Short

in-sŭsurro, āvi, ātum, 1, v. n. and a., to whisper in, into, or to; to insinuate, suggest.

  1. I. Lit.
          1. (α) Neutr.: alicui, Cic. Tusc. 5, 36, 103: in aures, id. Q. Fr. 1, 1, 4: ad aurem familiariter, id. Verr. 2, 5, 41, § 107: modo insusurrans, Suet. Cal. 22.
            Impers.: in aurem ejus insusurratum, Cic. Verr. 2, 1, 46, § 120.
          2. (β) Act.: alicui cantilenam, Cic. Att. 1, 19, 8: vota diis, Sen. Ep. 10: insusurratum nomen, id. Brev. Vit. 14.
  2. II. Transf.: non solum nauta significat, sed etiam Favonius ipse insusurrat, navigandi nobis tempus esse, suggests to us, reminds us, Cic. Ac. 2, 48, 147.