"Indefinably" Natural Recordings by Native Speakers
Incalculable or impossible to define or explain; indefinable.
Used to emphasize that something is true or certain, or to emphasize one's agreement with someone. <br><br>Example: "I think it's going to rain tomorrow, indeed."
Indefatigable means unable to be fatigued; tireless; relentless; unwearied; unyielding. It is often used to describe someone who is persistent, energetically devoted, and unwavering in their efforts.
Indefatigableness is the quality of being unwearied and untiring in effort or enthusiasm. It refers to a person's persistence, perseverance, and endless energy in pursuing a task or goal, even when faced with obstacles or challenges.