Decided imp. & p. p. : of Decide

Decided a. : Free from ambiguity; unequivocal; unmistakable; unquestionable; clear; evident; as, a decided advantage.

Decided a. : Free from doubt or wavering; determined; of fixed purpose; fully settled; positive; resolute; as, a decided opinion or purpose.

Example:
Who decides when to have a TV timeout? When are they Decided and what are the rules for it?

Taxonomy
Merriam-Webster Online Dictionary, cid, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, adjective, Google Search, Custom Search, glossary, english, language, ESL, Search, decided advantage, doubt, ly.

Defination from the web:
decided from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 1 : unquestionable <a decided advantage> 2 : free from doubt or wavering <has decided ideas on politics> — de·cid·ed·ly adverb. — de·cid·ed·ness noun ...