To make thicker (in the sense of wider).
To make thicker (in the sense of more viscous).
to thicken a sauce
To become thicker (in the sense of wider).
To become thicker (in the sense of more viscous).
To strengthen; to confirm.
To make more frequent.
to thicken blows
The process of making something, or becoming, thick or viscous.
A substance, usually a source of starch, used to thicken a sauce.
A thickened part of a structure.