firmer

/F ER1 M ER0/
adjective
  1. 1

    Steadfast, secure, solid (in position)

    โ€œIt's good to have a firm grip when shaking hands.โ€

  2. 2

    Fixed (in opinion)

    โ€œHe was firm that selling his company would a good choice and didn't let anyone talk him out of it.โ€

  3. 3

    Durable, rigid (material state)

    โ€œfirm flesh; firm muscles, firm wood; firm land (i.e. not soft and marshy)โ€

noun
  1. 1

    A physical exercise or cosmetic product intended to firm part of the body.

    โ€œface firmersโ€

  2. 2

    A thin chisel with a tang to enter the handle instead of a socket for receiving it.

Source: https://en.wiktionary.org/wiki/firm, https://en.wiktionary.org/wiki/firmer