While vs. Since

Whilenoun

An uncertain duration of time, a period of time.

Whileconjunction

During the same time that.

Whileconjunction

Although.

Whileconjunction

Until.

Whileconjunction

As long as.

Whilepreposition

Until.

Whileverb

(transitive) To pass (time) idly.

Whileverb

To loiter.

Whilenoun

Space of time, or continued duration, esp. when short; a time; as, one while we thought him innocent.

Whilenoun

That which requires time; labor; pains.

Whileverb

To cause to pass away pleasantly or without irksomeness or disgust; to spend or pass; - usually followed by away.

Whileverb

To loiter.

Whileconjunction

During the time that; as long as; whilst; at the same time that; as, while I write, you sleep.

Whileconjunction

Hence, under which circumstances; in which case; though; whereas.

Whilepreposition

Until; till.

Whilenoun

a period of indeterminate length (usually short) marked by some action or condition;

While

While is a word in the English language that functions both as a noun and as a subordinating conjunction. Its meaning varies largely based on its intended function, position in the phrase and even the writer or speaker's regional dialect.

Sinceadverb

From a specified time in the past.

Sincepreposition

From: referring to a period of time ending in the present and defining it by the point in time at which it started, or the period in which its starting point occurred.

Sincepreposition

Continuously during that period of time.

Sincepreposition

At certain points during that period of time.

Sinceadverb

From a definite past time until now; as, he went a month ago, and I have not seen him since.

Sinceadverb

In the time past, counting backward from the present; before this or now; ago.

Sinceadverb

When or that.

Sincepreposition

From the time of; in or during the time subsequent to; subsequently to; after; - usually with a past event or time for the object.

Sinceconjunction

Seeing that; because; considering; - formerly followed by that.