regardless

UK: /rɪˈgɑː^rdləs/ US: /rɪˈgɑrdlɪs/ ,(ri gärd′lis)

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

re•gard•less /rɪˈgɑrdlɪs/   adv. 

1. without concern as to advice, warning, hardship, etc.;
   anyway:
   Do as she says, regardless.

Idioms

2. Idioms regardless of, in spite of;
   without regard for:
   I like them regardless of your opinion.

WordReference Random House Unabridged Dictionary of American English © 2025

re•gard•less  (ri gärd′lis), adj. 

1. having or showing no regard;
   heedless;
   unmindful (often fol. by of ).
2. regardless of, in spite of;
   without regard for:
   They'll do it regardless of the cost.

adv. 

3. without concern as to advice, warning, hardship, etc.;
   anyway:
   I must make the decision regardless.

• regard + -less 1585–95

re•gard′less•ly, adv. 
re•gard′less•ness, n. 
Synonyms

• 1. inattentive, negligent, neglectful, indifferent, unconcerned.

Antonyms

• 1. attentive, mindful.

Collins Concise English Dictionary © HarperCollins Publishers::

regardless / rɪˈɡɑːdlɪs/ adjective

1. (usually followed by of) taking no regard or heed; heedless

adverb

1. in spite of everything; disregarding drawbacks

reˈgardlessly adverb

reˈgardlessness noun