Row (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">row</span>' is the definition.<br/ ><span class="explanation-format__explanation">(a tier is a row of things)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tier that I've seen before include "this person secures" , "he hasn't won?" , "Layer, rank" , "Echelon" , "Level - layer" .)
(Other definitions for skid that I've seen before include "Slide uncontrollably" , "Slip out of control" , "Slide (on slippery ground)" , "Runner" , "lose control momentarily" .)
(Other definitions for exit that I've seen before include "Way to leave" , "Leave the stage" , "Way to go!" , "Move out" , "Departure of actor" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">row</span>' is the definition.<br/ ><span class="explanation-format__explanation">(as in a row of things)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for line that I've seen before include "Policy - file" , "Row - occupation" , "Ancestry" , "Row; track" , "(Skin) wrinkle; limit" .)
(Other definitions for rank that I've seen before include "Classify" , "Fetid" , "Stinking" , "Tier; social standing" , "position in forces" .)
(Another definition for frat that I've seen is " college association".)
(Other definitions for racket that I've seen before include "Illegal scheme" , "Fraudulent enterprise" , "Din - strung bat" , "Din - tennis bat" , "Loud discordant noise" .)
(Other definitions for rumpus that I've seen before include "Tumult" , "'Commotion, din (6)'" , "Row" , "Kerfuffle" , "To-do" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">row</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ruckus that I've seen before include "Uproar - noisy disturbance" , "Rumpus. commotion" , "Row or commotion" .)