lacking

/หˆlรฆkษชล‹/
verb
  1. 1

    To be without, to need, to require.

    โ€œMy life lacks excitement.โ€

  2. 2

    To be short (of or for something).

    โ€œHe'll never lack for company while he's got all that money.โ€

  3. 3

    To be in want.

  4. 4

    To see the deficiency in (someone or something); to find fault with, to malign, reproach.

noun
  1. 1

    The absence of something; a lack.

adjective
  1. 1

    Missing or not having enough of (a good quality, etc).

    โ€œThis cheese is lacking in pungency.โ€

  2. 2

    Not carrying a firearm.

    โ€œAre you packing or lacking?โ€

Source: https://en.wiktionary.org/wiki/lack, https://en.wiktionary.org/wiki/lacking