without tiring of; without getting bored; endlessly
Literary or slightly formal expression meaning to do something continuously without growing tired of it. Often used with verbs like 見る, 聞く, 眺める.
He gazed at the painting without tiring.
We talked endlessly, never growing bored.
Rarely used kanji form; 厭 also means 'to tire of' but is less common.
The classical negative form of 飽く, “to tire of” or “become sated,” formed from its irrealis stem 飽か plus the negative auxiliary ず.