What is the meaning of Instant?

A very short period of time; a moment.

A single, usually precise, point in time.

A beverage or food which has been pre-processed to reduce preparation time, especially instant coffee.

Ellipsis of instant camera.

Impending; imminent.

Urgent; pressing; acute.

Insistent; persistent.

Present; current; extant.

Occurring immediately; immediate; present.

Lasting for a short moment; momentary; short-lived.

Very quickly and easily prepared.

Of the current month.

At once; immediately.

To urge, press (smeone); to insist on, demand (something).

instant (very short period of time)

pressing, insistent

instant, minute, moment

third-person plural present active indicative of īnstō

instant (very quickly and easily prepared)

instant (occurring immediately; immediate; present)

instantly

Source: wiktionary.org