Synonyms for Porthole:

• n.

  •
  • amidships,
  • boom,
  • beam,
  • blade,
  • aft,
  • bowsprit,
  • bay,
  • berth,
  • bow,
  • bilge.
  •artifact (noun)
  • porthole.
  •embrasure (noun)
  • embrasure.
  •outlet (noun)
  • channel,
  • egress,
  • avenue,
  • safety valve,
  • nozzle,
  • release,
  • way out,
  • duct,
  • tear,
  • orifice,
  • crack,
  • exit,
  • aperture,
  • break,
  • spout.

• Other synonyms:

  •
  • escape.
  •Other relevant words:
  • fontanel,
  • wicket,
  • light,
  • placket,
  • vent,
  • pane,
  • manhole,
  • bow window,
  • gate,
  • spiracle,
  • scuttle,
  • transom,
  • window glass,
  • knothole,
  • larboard,
  • deportment,
  • louver,
  • grille,
  • lattice,
  • bullet-hole,
  • puncture,
  • tap,
  • gasket,
  • call to order,
  • pinhole,
  • casement window,
  • lantern,
  • Mousehole,
  • armhole,
  • perforation,
  • port wine,
  • venthole,
  • lancet window,
  • pigeonhole,
  • ship,
  • foramen,
  • peephole,
  • keyhole,
  • bearing,
  • eye,
  • slot,
  • hole,
  • cockpit,
  • deadeye,
  • setting up,
  • demeanor,
  • parts,
  • passageway,
  • bay window,
  • harbor,
  • grommet,
  • carriage,
  • Bunghole,
  • blowhole,
  • cringle,
  • interface,
  • come out,
  • turning on,
  • loop,
  • companion,
  • eyelet,
  • port,
  • door,
  • loophole,
  • windowpane,
  • guide.

Antonyms for Porthole:

• n.

  • outlet
    egress, entrance, misfortune, solid, closure.

Homophones for Porthole:

• paper doll, partially, portly, partial, pubertal, party wall, power tool, paper towel, paradiddle, partly, proudly, parietal, prattle, portal, pertly, perithelial.

Holonyms for Porthole:

• n.

  • artifact
    fuselage, ship.

Hyponym for Porthole:

• n.

  • artifact
    window.

Meronym for Porthole:

• n.

  • artifact
    deadlight.