At a time

prep_phrase

Definitions

Adverb
  1. 1
    simultaneously wordnet
Prep_phrase
  1. 1
    In a single, continuous period of time.

    "He manages to abstain from smoking for weeks at a time, but then gives in and starts again."

  2. 2
    Simultaneously at each occurrence (of some action).

    "climb stairs two at a time"

Next best steps

Mini challenge

Unscramble this word: atatime