thickens

Grows more viscous

Thickens means to become or make thicker.

A sauce thickens as it reduces; you thicken gravy with flour.

Fog thickens, plots thicken, crowds thicken.

When the plot thickens, a situation grows more complicated or mysterious—a phrase so common it's often used ironically for minor developments.

condenses

concentrate

Reduced, potent form

densify · consolidate · evaporate · simmer · boil down · intensify · strengthen · enrich · fortify · deepen

coagulates

clot

Coagulated mass

  • curdleCongeal into lumps
  • congealSolidify from liquid state
  • gelWobbly semi-solid substance

solidify · set · jellify · coalesce · precipitate · clabber · gelate · flocculate · coagulant · fibrin

complicates

plot

Storyline or land parcel

  • intrigueSecret plotting or fascination
  • mysterySomething unexplained or unknown
  • suspenseAnxious uncertainty about outcomes

drama · tension · conflict · twist · entangle · deepen · unfold · develop · escalate · muddle

Categories
Opposites
viscosity/consistency

thickensthins

Reduces density or concentration

liquefies · waters down · dilutes · loosens · runs

density/concentration

thickensthins

Reduces density or concentration

dilutes · disperses · dissipates · diffuses · rarifies

complexity/intensity (narrative)

thickensclarifies

Makes more understandable

simplifies · resolves · unravels · clears up · untangles

Phrases
Family

thicken, thickened, thickening, thicker, thickener, thickeners

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G