Freda Ostrow Adams, 83, a former physical therapist and a longtime resident of the Washington area, died of Parkinson's disease Wednesday at the Collingswood nursing center in Rockville.

Mrs. Adams was born in Philadelphia. In 1914, she married Joseph H. Ostrow and the couple worked together in a retail shoe business in orthopedic corrections.

In 1934, the Ostrows and their three children moved to Washington. The then Mrs. Ostrow studied physical therapy at Children's Hospital and was in private practice until the late 1940s. Her husband died in 1939.

In 1956, Mrs. Ostrow married Dr. Leason H. Adams, a geophysicist at the Carnegie Institute here. They lived in Los Angeles from 1958 to 1962, when Dr. Adams was a visiting professor at the University of California at Los Angeles, and then returned to the Washington area.

They lived in Bethesda until Dr. Adams' death in 1969. Mrs. Adams lived at Rossmoor Leisure World in Silver Spring until moving to a nursing facility about three years ago.

Mrs. Adams was a member of the Washington Hebrew Congregation and of its Sisterhood. She was a former member of the Woodmont County Club.

Survivors include three children, Marion Sperling, of Poolsville, Dan Ostrow, of West Lim, Ore., and Dr. Bernard Ostrow, of Bethesda; four sisters, Roslyn Stone, of Miami Beach, Fla., Mary Garfinkel and Betty Goldman, both of Philadephia, and Elsie Lewin, of Pennsauken, N.J., and seven grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Washington Hebrew Congregation or to a charity of one's choice.