12-Letter Words Containing: I,B,L,E,S,S

• To form (words or statements) in thought and express them inwardly without uttering them aloud.

• small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research

• in an obsequious manner

• an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected

• become unstable

• make unstable

• A tightrope walker.

• a pocketknife with a blade that springs open at the press of a button

• in a servile manner