unprecedented
coincindence
The word that means to use something for the first time is "debut." It is often used in contexts such as a new product launch, a performance, or the introduction of an artwork. The term conveys the idea of presenting something to the public for the first time.
had it right the first time means you had it right, before you changed it to something else.
It means that it happened in that time period:)
Never is an adverb of frequency. It means '0 times' or 'at no time'.
It means first time on televison. It could be something new or just a theatrical film being shown on television for the first time.
Initial observation means the first time you perceive something and register it as significant.
It means something, especially from a long time ago, seems to have happened only yesterday. It is especially said when reminiscing the past.
The word "antecedent" refers to something that occurred before a certain time. In a more general context, "prior" can also be used to describe events or actions that happened earlier than a specified moment. Both terms highlight the temporal relationship of events in relation to a particular point in time.
On the Black Saturday that was the first time when the blitz started and everyone was scared that if something happen's to them!
the word debut origins from France. it means the first time you do something.
An indefinite article, used when referring to someone or something for the first time. Ex: "A man walked into the room."