What is the meaning of Slack?

The part of anything that hangs loose, having no strain upon it.

A tidal marsh or shallow that periodically fills and drains.

Unconditional listening attention given by client to patient.

Attributive form of slacks (semi-formal trousers).

Lax; not tense; not firmly extended.

Weak; not holding fast.

Moderate in some capacity.

  1. Moderately warm.

    Moderately warm.

    Moderate in speed.

    Lacking diligence or care; not earnest or eager.

    Not active or busy, successful, or violent.

    Excess; surplus to requirements.

    Vulgar; sexually explicit, especially in dancehall music.

    Lax.

    Slackly.

    To slacken.

    To mitigate; to reduce the strength of.

    To lose cohesion or solidity by a chemical combination with water; to slake.

    To refuse to work as hard as one is supposed to.

    A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place.

    A valley, or small, shallow dell; a sag or saddle in a ridge.

    A flat-bottomed, hollow zone within a sand-dune system that has developed over impervious strata, sometimes due to erosion or blow-out of the dune system; its flat base level is therefore close to or at the permanent water-table level, and therefore has rich, marshy flora, with Salix species (willows) as typical woody colonisers.

    Small coal; coal dust.

    Source: wiktionary.org