Final answer:
The synonyms for 'regardless' are disregarding, without, and with no. It's important to note that 'irregardless' is not considered a standard English word and is discouraged in formal writing.
Step-by-step explanation:
The synonyms for 'regardless' include:
- Disregarding: not taking into account or considering
- Without: in the absence or lack of
- With no: indicating the absence or lack of something
It's important to note that 'irregardless' is not considered a standard English word and is often discouraged in formal writing.