Thick"en (?), v. t. [imp. & p. p. Thickened (?); p. pr. & vb. n. Thickening.] To make thick (in any sense of the word). Specifically: --

(a) To render dense; to inspissate; as, to thicken paint.

(b) To make close; to fill up interstices in; as, to thicken cloth; to thicken ranks of trees or men.

(c) To strengthen; to confirm. [Obs.]

And this may to thicken other proofs.

(d) To make more frequent; as, to thicken blows.

Thick"en, v. i. To become thick. "Thy luster thickens when he shines by." Shak.

The press of people thickens to the court.

The combat thickens, like the storm that flies.

Thick"en (?), v. t. [imp. & p. p. Thickened (?); p. pr. & vb. n. Thickening.] To make thick (in any sense of the word). Specifically: --

(a) To render dense; to inspissate; as, to thicken paint.

(b) To make close; to fill up interstices in; as, to thicken cloth; to thicken ranks of trees or men.

(c) To strengthen; to confirm. [Obs.]

And this may to thicken other proofs.

(d) To make more frequent; as, to thicken blows.

Thick"en, v. i. To become thick. "Thy luster thickens when he shines by." Shak.

The press of people thickens to the court.

The combat thickens, like the storm that flies.

• To make thicker (in the sense of wider).
  
• To make thicker (in the sense of more viscous).
  
• To become thicker (in the sense of wider).
  
• To become thicker (in the sense of more viscous).