That depends on the exact ideals that are claimed and why exactly they aren't put into practice elsewhere.
For example an alcoholic, who is telling everyone that drinking (too much) alcohol is a really bad thing and that one shouldn't do so, isn't a hypocrite just because he fails to live up to that himself, if he really thinks that one should not drink alcohol in excess and maybe feels bad afterwards when he failed. He just succumbs to his illness.
The politician that is publicly speaking out against drugs and did vote for the anti-drug legislation, while going off on pot, speed and who knows what and who thinks nothing about that is a hypocrite, because he's claiming to uphold certain ideal that he isn't upholding.
There's a difference between claiming to have ideals and not having them on one side and claiming to have ideals, having them and sometimes (or even oftentimes) failing to live up to them. The former is hypocrisy, the latter is not. It's just being human, which means being fallible.