all of

/AO1 L AH1 V/
adverb
  1. 1

    Merely; only; no more than; neither more nor better than might be expected.

    โ€œI don't know why he was so impressed with our previous boss; he lasted all of ten days in the position.โ€

  2. 2

    Entirely, completely, in a specified state.

    โ€œI was all of a dither when he asked me to marry him.โ€

Source: https://en.wiktionary.org/wiki/all%20of