Ordinary (3-2-3-4)
(Other definitions for run-of-the-mill that I've seen before include "Mediocre" , "Unexceptional" , "Everyday" , "Ordinary" , "Bog standard" .)
'ordinary' is the definition.
(plain can mean ordinary or unadorned)
This is all the clue.
(Other definitions for plain that I've seen before include "Ordinary; flat region" , "Not elaborate; clear" , "Ordinary; area of land" , "not attractive" , "Sheer; frank" .)
'ordinary' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for banal that I've seen before include "Tediously commonplace" , "Stock" , "'Hackneyed, trite (5)'" , "Everyday" , "'Trite, time-worn (5)'" .)
'ordinary' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for usual that I've seen before include "Unexceptional" , "familiar" , "Typical" , "Normal, habitual" , "Stock" .)
'ordinary' is the definition.
(I know that ordinary can be written as average)
This is all the clue.
(Other definitions for average that I've seen before include "Medial" , "Run of the mill" , "Mean figure?" , "Arithmetical mean" , "Normal amount" .)
'ordinary' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for natural that I've seen before include "Instinctive - not surprising" , "Genuine, unaffected" , "Not made, normal" , "Inborn; unaffected" , "An ideal person" .)
'ordinary' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for regular that I've seen before include "Routine" , "Even - constant" , "Customary; done frequently" , "In accordance with a fixed order" , "Soldier - uniform" .)
'ordinary' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for humdrum that I've seen before include "Everyday, boring" , "Dull (of existence)" , "Droning sounds" , "Uneventful - routine" , "Dull and uninteresting" .)
'ordinary' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for general that I've seen before include "High-ranking officer" , "Enlarge (anag.)" , "Leader" , "Regular - officer" , "Opposite of private!" .)
'ordinary' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for mundane that I've seen before include "Unexciting; of this world" , "Dull - commonplace" , "Earthbound" , "Boring" , "Drab" .)
'ordinary' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for standard that I've seen before include "Stock - basic - flag" , "Flag - accepted level" , "possibly rose" , "'Reference point, touchstone (8)'" , "banner" .)
'ordinary' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for workaday that I've seen before include "Unexceptional" , "Ordinary" , "Mundane" , "Dull" .)
'ordinary' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for normal that I've seen before include "Conforming to a standard" , "Usual; at right angles" , "Standard, expected" , "Ordinary, not unusual" , "Standard; at right angles" .)
'ordinary' is the definition.
(synonyms)
This is all the clue.
(Other definitions for common that I've seen before include "Ordinary; open land" , "Ordinary piece of land" , "Met with frequently" , "Usual, of no particular distinction" , "Without special distinction, ordinary" .)
'ordinary' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for commonplace that I've seen before include "Not unusual" , "Frequent" , "Ordinary, everyday" .)
'ordinary' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for unremarkable that I've seen before include "Plain" , "paper beyond further assessment?" , "Not particularly surprising" , "Expected" .)