we couldn't plan to go elsewhere until we had heard from you more definitely
decidedly: without question and beyond doubt; "it was decidedly too expensive"; "she told him off in spades"; "by all odds they should win"
(definite) precise; explicit and clearly defined; "I want a definite answer"; "a definite statement of the terms of the will"; "a definite amount"; "definite restrictions on the sale of alcohol"; "the wedding date is now definite"; "a definite drop in attendance"
(Definite) In grammatical theory, definiteness is a feature of noun phrases, distinguishing between entities which are specific and identifiable in a given context (definite noun phrases) and entities which are not (indefinite noun phrases).
(definite) Having distinct limits; Free from any doubt; Designating an identified or immediately identifiable person or thing <definite article>
(definite) of an inflorescence, ending in a flower or an aborted floral bud. cf. determinate.
(Definite) Expressions containing determiners like the, this, that etc. are said to have definite reference in that they refer to an entity which is assumed to be known to the addressee(s): e.g. in a sentence such as 'I hated the course', the DP the course refers to a specific (e.g. ...
(Definite) Nouns come in two varieties, definite and indefinite. By and large, the former kind refers to a specific place or person or object, while the latter is for something yet to be identified. ...
(Definite) With 100% confidence
(Definite) the amount stated in the Appropriations Act as a specific sum of money.
(definite) (adj.): Having an exact signification or positive meaning.
(definite) adj. clear; not doubtful
Definite means unquestionable or unmistakable.
Emphasizing the state of being without question and beyond a shadow of a doubt. (Example:I am definitely not going anywhere at this time of night.)