The difference between Plumb line and Plummet

When used as nouns, plumb line means a cord with a weight attached, used to produce a vertical line, whereas plummet means a piece of lead attached to a line, used in sounding the depth of water, a plumb bob or a plumb line.


Plummet is also verb with the meaning: to drop swiftly, in a direct manner.

check bellow for the other definitions of Plumb line and Plummet

  1. Plumb line as a noun:

    A cord with a weight attached, used to produce a vertical line; a plummet.

  2. Plumb line as a noun:

    Any vertical reference line.

  1. Plummet as a noun (archaic):

    A piece of lead attached to a line, used in sounding the depth of water, a plumb bob or a plumb line

  2. Plummet as a noun (archaic):

    Hence, any weight

  3. Plummet as a noun (archaic):

    A piece of lead formerly used by school children to rule paper for writing (that is, to mark with rules, with lines)

  4. Plummet as a noun:

    A plummet line, a line with a plummet; a sounding line

  5. Plummet as a noun:

    Violent or dramatic fall

  6. Plummet as a noun (figuratively):

    A decline; a fall; a drop

  1. Plummet as a verb (intransitive):

    To drop swiftly, in a direct manner; to fall quickly.

    Examples:

    "After its ascent, the arrow plummeted to earth."