| UNETHICAL | Lacking in principles |
| AMORAL | Lacking in principles |
| HONEST | Honourable in principles |
| TENETS | Number set out in principles |
| ETERNAL | Descartes described, in Principles Of Philosophy, a class of truths that are 'knowable, certain and |
| YIN | Yen in principle accepted in China |
| TEACHERSPETS | They take advantage of class prejudice in principle, say, as in the end they're treated like cats an |
| LEITH | In principle it has been put in 14 (5) |
| TASSO | In principle in China one finds extremely sagacious poet |
| PARKINSONSLAW | In principle, deposit children in custody of relative |
| WALRUSES | Customers long in the tooth in principle reversed cunning practices |
| PAINE | Patriot who said "Moderation in temper, is always a virtue; but moderation in principle, is a species of vice" |
| BASIS | Like being in British Isles, in principle (5) |
| AXIOM | In principle, ring after eleven in the morning (5) |
| BEWAIL | Lament in Belgium for one, in principle, on reflection (6) |
| RULER | In principle, right at the end, one's in control (5) |
| PLANTAGENET | House in architect's drawing, silver in principle |
| LETHE | In principle, there's oblivion in it (5) |
| ELEMENT | In principle, use a resistance wire in an electric heater (7) |
| TENEMENT | Workers, in principle, say, might live in a block of flats (8) |
