Having been determined but not specified.

(with of) Unnamed or undescribed members (of).

Sure in one's mind, positive; absolutely confident in the truth of something.

Not to be doubted or denied; established as a fact.

Sure to happen, inevitable; assured.

Unfailing; infallible.

Fixed; regular; determinate.

Particular and definite, but unspecified or unnamed; used to introduce someone or something without going into further detail.

(preceded by "a", of a person) Named but not previously mentioned.

(preceded by "a", of a person) Used before the name of someone famous that people are expected to know.

(obsolete) Determined; resolved.