(law) Act of giving testimony, in a trial, that would incriminate oneself.

Piously self-assured and smugly moralistic.

confident in one's own abilities

Not requiring external or additional support; complete in itself. / (of a person) Wrapped up in oneself; reserved.

(obsolete) Self-deception. / Physical or verbal maltreatment of oneself. / Injury inflicted deliberately upon oneself, especially resulting from a mental disorder.

To harm oneself. / (dated, euphemistic, now frequently ironic or humorous) To masturbate.

One's personal interest or advantage, especially when pursued without regard for others.

(idiomatic) To persuade people to go against their best interests or to accept something unnecessary or preposterous.

A bottle for producing or dispensing soda water or other carbonated beverages.

(US) Any of a board of municipal officers elected to manage some New England towns.