What does "all of" mean?

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

What is a synonym for "all of"?

Common synonyms include: completeness, determinant, each, entire, entirety, every.

adv

adv ·Rare ·Advanced level

Adverb

1
Merely; only; no more or less than; neither more nor better than might be expected. not-comparable
"I don't know why he was so impressed with our previous boss; he lasted all of ten days in the position."
2
Entirely, completely, in a specified state. not-comparable
"I was all of a dither when he asked me to marry him."

"I don't know why he was so impressed with our previous boss; he lasted all of ten days in the position."