Word Study
on a regular basis |
on account of |
on air |
on all fours |
on an individual basis |
on an irregular basis
| on and off
| on and on
| on approval
| on average
| on base
on an irregular basis
WORDNET DICTIONARY
Adverbial on an irregular basis has 1 sense
- on an irregular basis(r = adv.all) irregularly - in an irregular manner; "her letters arrived irregularly"
For further exploring for "on an irregular basis" in Webster Dictionary Online
