intransitive. To become thick, in various senses; = thicken, v. Now dialect or archaic.

intransitive. To become stiff or rigid. Also: (of liquid) to coagulate, solidify. Now Irish English (northern).

gen. To become solid by a process resembling freezing; †to crystallize, petrify, etc.

intransitive. To become stiff; (of liquid) to coagulate, solidify. Also transitive: to make stiff, thicken. Cf. stark, v. 1. Now English regional and…

intransitive. To grow together, coagulate; = concrete, v.

intransitive. To increase in density or consistence; also, to become turbid or cloudy. Also figurative.

intransitive (for reflexive). To become compact, firm, or strong by close consolidation of parts; to become consolidated.

intransitive. To become dense, thicken, condense; to become solid, harden.

intransitive for reflexive. To lose volatility or fluidity; to become firm, rigid, or solidified; to congeal, set.

intransitive. To become stiff or solid. Now rare.

intransitive. To run into a mass, form a concretion; to become solid, harden, congeal, ‘set’, clot.

intransitive. To grow thick, to become condensed.

intransitive. To become solid; to change or pass from a liquid or gaseous to a solid state.

intransitive (for reflexive). To become solid or firm.