DictionaryAI

slough

SaySLUF/slʌf/

Verbsloughs, sloughing, sloughed

Noun pluralsloughs

9 meanings of slough

Practice

  1. 1
    verbintransitive
    To shed an outer layer such as dead skin, or for such a layer to come loose and fall or slide off.

    After the sunburn, the skin on my nose began to slough off.

    Old paint sloughed off the fence in long strips.

    UsageOften say it sloughs off: the skin sloughed off.

    Similarshed, peel, flake, slide

    Note
  2. 2
    SLOW/slaʊ/
    nouncountable
    An area of wet, soft, muddy ground or shallow water, such as a swamp or marsh.

    Herons stood in the still water of the slough.

    When the river floods, the low woods turn into a slough.

    Similarswamp, marsh, bog, bayou, wetland

    Note
  3. 3
    SLOW/slaʊ/
    tidal channelnoundialectalUSWesterncountable
    A small side channel near a river's mouth that the tide fills and empties.

    We took our little boat up the slough when the tide came in.

    At low tide the slough is just a ribbon of mud.

    Similarchannel, creek

  4. 4
    SLOW/slaʊ/
    low moodnouncountable
    A state of feeling very sad and low.

    After the move, she fell into a slough of despair.

    Her friends helped her climb out of a long slough of despair.

    UsageUsually said as a slough of despair: you fall into one or climb out of one.

    Similarfunk, slump, depression, rut

  5. 5
    dead tissue (sore)nouncountable or uncountable
    Soft, yellowish dead tissue that forms in a wound or sore.

    The nurse gently cleaned the slough from the sore on his leg.

    A yellow slough had formed over the wound.

Practice

Can you tell the meanings of slough apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origins

Meanings 1, 5–6, 8–9

It comes from the Middle English word slogh. It may be related to an old Germanic word meaning “to slip”, and to words for a snake's skin.

Checked 1 Nov 2026 · 3 facts

Meanings 2–4, 7

It comes from the Old English word slōh, meaning a muddy place or swamp.

Checked 1 Nov 2026 · 2 facts