宜しく

Etymology
Regular -ku adverbial form of -i adjective. Use as an interjection arose as a contraction of the longer phrase.

Adverb

 * 1)  well, acceptably

Interjection

 * 1) pleased to meet you
 * 2) best regards
 * 3) thanks in advance
 * 4) thanks for your continued support
 * 1) thanks in advance
 * 2) thanks for your continued support

Usage notes

 * Most commonly written all in hiragana as . The kanji spelling is generally reserved for formal contexts.
 * As noted above, use as an interjection arose as a contraction of the longer phrase . Also encountered as the full formal phrase, and the abbreviated form.