Procrastinate, v. i. — Webster enters it under “procrastinate”
To delay; to be dilatory. I procrastinate more than I did twenty years ago. Swift.
1 other Webster entry under this spelling
Procrastinate v. t. [imp. & p. p. Procrastinated; p. pr. & vb. n. Procrastinating.]
To put off till to-morrow, or from day to day; to defer; to postpone; to delay; as, to procrastinate repentance. Dr. H. More. Hopeless and helpless Ægeon wend, But to procrastinate his lifeless end. Shak.
Syn. -- To postpone; adjourn; defer; delay; retard; protract; prolong.
Shades of meaning
Fernald has no entry of its own for procrastinating; he lists it under slow.
He lists it without comment; the entries above explain its neighbors.