Is 憆 a common character?

No, it is a relatively rare character in modern usage, primarily found in classical or literary contexts.

What is the main meaning of 憆?

It primarily means to be negligent, remiss, or careless, especially in the context of duties or responsibilities.

Generally not recommended, as it carries a negative connotation of negligence and carelessness.

憆Tone 1

chēng ｜ 14 strokes ｜ radical:

To be negligent;

to be remiss;

to be careless;

to be inattentive.

To be negligentto be remissto be careless

Negligent and idleCareless and remissNegligent and laxRemiss and forgetfulNegligent and slowCareless and inattentive

This character carries a negative connotation, implying a failure to fulfill responsibilities or duties.
It is often used in classical or formal contexts to criticize a lack of diligence or attention.