What is the meaning of ~?

In East-Asian languages, indicates a range of numbers

"is equivalent to"; "twiddles"

"is of the same order of magnitude as"

negation

alternating with

user's home directory in Unix-like operating systems

Replaces the headword in derivatives or example sentences, to save space.

Appended to an utterance to indicate a flirty, playful tone.

Stylized form of -.

Approximately.

Indicating joy, elation, excitement, or a playful tone.

Indicates the starting point of a range; from.

Indicating the lengthening of a pronunciation.

Indicates the starting point of a range; from.

Indicating the lengthening of a pronunciation.

Indicates the starting point of a range; from.

Indicating the lengthening of a pronunciation.

Source: wiktionary.org