undersee

/AH1 N D ER0 S IY1/
verb
  1. 1

    (transitive) To see or look under or below; see below the surface of.

  2. 2

    (transitive) To look intently into; examine; inspect.

  3. 3

    (transitive) To neglect; fail to see properly or adequately; turn a blind eye to; ignore.