un

An animal that walks on two feet

Having or moving on two feet

Having two parts or aspects; double

Forward movement or development toward a better state; to advance or develop

The process of moving forward or developing; a sequence with a fixed pattern; 前进，进展；级数

Moving or directed backwards; reverting to a worse state; a person opposed to progress

A gathering of people reuniting after a period apart

To come together again after separation

only one; not married; a record with one song

To violate a law or moral principle; to overstep a boundary

A violation of a law or moral principle; an offense

A person who breaks a law or moral rule

Complete agreement among all parties

Agreed upon by everyone with no dissent

With complete agreement from everyone

A mythical one-horned horse; a billion-dollar startup

A one-wheeled pedal vehicle; to ride such a vehicle

The process of joining things into one; the state of being united

Combined into a single whole; operating as one entity

A distinctive outfit worn by members of a group; consistent and unvarying

The state of being the same throughout; lack of variation

To bring together into one; consolidate

Done by one side only, without others' agreement

Done by one side alone, without others' agreement

The joining of things together; a workers' organization; a political alliance

The process of organizing workers into a labor union

To organize workers into a union

Being the only one of its kind; highly distinctive or unmatched

In a distinctive, one-of-a-kind manner

The quality of being one of a kind

Suitable for or used by both males and females

Harmony and agreement; simultaneous singing or playing of the same note

Being in unison; producing the same pitch

a single item or person; a standard of measurement

To bring together as one; to join for a common purpose

Joined together; acting in agreement

The state of being united; harmony and oneness

Applying to all people or things; existing everywhere

All existing matter and space; everything under consideration

Plural of university; institutions of higher education