"Waver" is a verb that means to tremble or it means to be indecisive, depending on context.

"Gamble" means to bet money or to play games of chance.

"Fray" means to come apart at the edges, and refers to objects that involve stitching or cloth.

"Desert" means to abandon somebody or to escape or flee.

"Exhume" means to dig up a corpse.

To "thwart" most nearly means to prevent someone from undertaking an attempted action or to foil a plan.

"Palpitate" means to throb or to pulse.

"Bawl" means to cry or to sob loudly.

"Percolate" means filtering liquid through something. 

"Straggle" means to walk slowly or to wander in an irregular manner.

"Oust" means to expel someone or to kick someone out.

"Sear" means to "char" something or to burn with intense heat.

"Muddle" means to put into a confused state, or "muddle" means to mix.

"Sever" means to cut apart, to disconnect or to split.

"Warm" means to increase the heat of something. 

"Freeze" means to lower the temperature of something until liquid turns into solid.

"Writhe" means to "squirm" or to contort oneself back and forth.

"Forge" means to make something from scratch, or it means to create a false copy or a counterfeit of something.

"Emerge" means to come out, to arrive or to appear.

"Leap" means to jump, or it can mean to rapidly increase.

"Gesture" means to make a motion that signifies something, or to move as a form of communication.

To "elevate" something is to raise that thing further away from the ground. To "levitate" is to lift something into the air off the ground, so these two words are synonymous. "Sink" and "descend are antonyms to "elevate."

"Trudge" and "tramp" are verbs used to describe the way a person might walk, with heavy steps. The other verbs do not have meanings synonymous with "trudge."

"Strut" means "walk boldly" or pompously.

"Wiggle" means to move back and forth or to shake.

"Skip" means to jump over, or bounce or spring up and down. 

"Dash" means to run very quickly, to sprint.

"Crawl" means to move on one's hand and knees or to move very slowly.

"Catalyze" means "mobilize," to begin a process (often chemical), to activate something.

"Expand" means to grow larger or wider.

"Conclude" means to bring to a conclusion, to end something.

"Halt" means to stop something, to pause.

"Stabilize" means to make something stable, to make something resistant to change.

"Molt" means "to shed feathers" or skin, and then to replace with a fresh layer of feathers or skin.

"Redirect" means to alter something's course or to change its direction.

"Mine" means to extract raw materials such as iron or coal from the Earth.

To "drain" is to remove liquid, to empty, to use up the supply.

"Form into a shape" means to mold or to sculpt. This answer is meant to trick you if you thought that "molt" means mold.