The phrase "a bit tardy" is correct and usable in written English.
It can be used to describe someone or something that is slightly late or delayed.
Example: "I apologize for being a bit tardy to the meeting; traffic was heavier than I expected."
Alternatives: "a little late" or "somewhat delayed".
Of course, your feelings are understandable — if a bit tardy.
A confession - we've been a bit tardy in adding all 269 of your photographs you shared with us in the past two months, so our apologies for that.
Now that spring is here—although a bit tardy in making its presence felt it might be fit ting to point out a few pieces of coinage in keeping with the season.
Father Kleinsorge woke up about six the morning the bomb was dropped, and half an hour later — he was a bit tardy because of his sickness — he began to read Mass in the mission chapel, a small Japanese-style wooden building which was without pews, since its worshippers knelt on the usual Japanese matted floor, facing an altar graced with splendid silks, brass, silver, and heavy embroideries.
The latest push, however, is a bit tardy.
Today's FTC action is welcome, if a bit tardy.
But she did stick with "Over the Rainbow" and followed Ms. Baldassare's advice, making "somewhere" come out as a single and just-a-bit-tardy word.
She said the UK had been "a little bit tardy" in waking up to the scale of the threat but must now seek tougher rules to ensure data was protected.
Unfortunately, we can't give you a free pass to throw this crucial money to-do out the window but Tardy does have a solution for making it a bit more bearable.
Finally, I'm not entirely convinced that Jeff hasn't dropped the ball, or at least become a bit "flat". In particular, few of Jeff's colleagues would or should accept Jeff's tardy preparation for the new CEO and his "surprise" discovery that the new boss cares more deeply about near-term results than relationships.
