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

Also appears in: surreptitious, assimilate, lugubrious, pontificate

Also appears in: GRE Barron's Part 1, GRE remedial list large, Full GRE, surreptitious, assimilate, lugubrious