surreptitious, assimilate, lugubrious

Also appears in: Mysterious Things, GRE Problem Words, S-list, Intriguing Words

Also appears in: GRE Barron's Part 1, Full GRE, Vocab Builder, TOEFL#6

Also appears in: Fun Words, GMAT Vocabulary E-M, Word bag, GRE Problem Words

Also appears in: pontificate, surreptitious, assimilate, lugubrious

Also appears in: GRE Barron's Part 1, GRE remedial list large, Full GRE, GRE remedial list 4 Sept 07