also: あだかも
adverb
Used in the pattern あたかも~ようだ/ごとし to express a strong resemblance or metaphor. Often found in literary or formal speech.
彼はあたかも何も知らないかのように振る舞った。
He acted as if he knew nothing.
その景色はあたかも絵のようだった。
The scenery was just like a painting.
adverb
right then; just at that moment
Rare temporal use meaning 'at that very moment'. Mostly found in older literature; modern Japanese prefers ちょうどその時 or まさに.
あたかもその時、鐘が鳴り響いた。
Just at that moment, the bell rang out.