Top 10 synonyms that sound like opposites

Tom Startup pointed out that flammable and inflammable appear to be opposites but actually mean the same.

Someone called Generally Right offered slim chance and fat chance, which is nice. Adam Huntley offered passive and impassive, although they are not quite synonyms.

1. Habitable, inhabitable

Nominated by Chris Jones and Graham Kirby.

2. Heritable, inheritable

Chris Jones at the double.

3. Press, depress

From Jon Baines and Martyn P Jackson.

4. Bone, debone

Jackson again, along with Richard Sagar, CazzPink and Graham Kirby.

5. Valuable, invaluable

Nominated by Jon Baines and Graham Kirby.

6. Bar, debar

From Stacey Murray. The Oxford English Dictionary says debar is from the French débarrer, itself from the Old French desbarrer, unbar.

7. Personate, impersonate

From Carl Gardner, who reminds us that "personation" is the term for an electoral offence.

8. Ravel, unravel

Xlibris1 again and Francis Wheen, who says: "My beloved Chambers dictionary app gives 'unravel' as a definition of 'ravel'."

9. Privation, deprivation

Suggested by Xlibris1.

10. Genius, ingenious

An ingenious one suggested by both Graham Kirby and Fiona Wright.

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