decidedly

UK: /dɪˈsaɪdɪdli/

WordReference Random House Learner's Dictionary of American English © 2025

de•cid•ed /dɪˈsaɪdɪd/   adj. 

1. [before a noun] clear and obvious;
   not ambiguous:
   a decided improvement.
2. free from hesitation;
   determined:
   dealing with her problems in a decided way.

de•cid•ed•ly, adv. 

: The economy has become decidedly worse.

WordReference Random House Unabridged Dictionary of American English © 2025

de•cid•ed  (di sī′did), adj. 

1. in no way uncertain or ambiguous;
   unquestionable;
   unmistakable:
   a decided victory.
2. free from hesitation or wavering;
   resolute;
   determined:
   a decided approach to a problem.

• decide + -ed² 1780–90

de•cid′ed•ly, adv. 
de•cid′ed•ness, n. 
Synonyms

• 1. . undeniable, indisputable, positive, certain, pronounced, definite, sure, indubitable.
• 2. . resolved, unhesitating, unwavering.

Antonyms

• 1, 2. . uncertain.