Webster's Revised Unabridged Dictionary · 1913

Creep

Creep (krēp) , transitive verb

[Old English crepen, creopen, Anglo-Saxon creópan; akin to Dutch kruipen, German kriechen, Icelandic krjupa, Swedish krypa, Danish krybe. Compare Cripple, Crouch.]

1.
To move along the ground, or on any other surface, on the belly, as a worm or reptile; to move as a child on the hands and knees; to crawl. [Obsolete]
Ye that walk The earth, and stately tread, or lowly creep. — Milton
2.
To move slowly, feebly, or timorously, as from unwillingness, fear, or weakness.
The whining schoolboy... creeping, like snail, Unwillingly to school. — Shakespeare
Like a guilty thing, I creep. — Tennyson
3.
To move in a stealthy or secret manner; to move imperceptibly or clandestinely; to steal in; to insinuate itself or one's self; as, age creeps upon us.
The sophistry which creeps into most of the books of argument. — Locke
Of this sort are they which creep into houses, and lead captive silly women. — 2. Tim. iii. 6
4.
To slip, or to become slightly displaced; as, the collodion on a negative, or a coat of varnish, may creep in drying; the quicksilver on a mirror may creep.
5.
To move or behave with servility or exaggerated humility; to fawn; as, a creeping sycophant.
To come as humbly as they used to creep. — Shakespeare
6.
To grow, as a vine, clinging to the ground or to some other support by means of roots or rootlets, or by tendrils, along its length.
Creeping vines. — Dryden
7.
To have a sensation as of insects creeping on the skin of the body; to crawl; as, the sight made my flesh creep. See Crawl, v. i., 4.
8.
To drag in deep water with creepers, as for recovering a submarine cable.

Creep , noun

1.
The act or process of creeping.
2.
A distressing sensation, or sound, like that occasioned by the creeping of insects.
A creep of undefinable horror. — Blackwood's Mag
Out of the stillness, with gathering creep, Like rising wind in leaves. — Lowell
3.
(Mining) A slow rising of the floor of a gallery, occasioned by the pressure of incumbent strata upon the pillars or sides; a gradual movement of mining ground.