Knee spasm: Involuntary contractions of the muscles in the knee. See detailed information below for a list of 14 causes of Knee spasm, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Knee spasm: Causes | Symptom Checker Â».
-ness definition, a native English suffix attached to adjectives and participles, forming abstract nouns denoting quality and state (and often, by extension, something exemplifying a quality or state): darkness; goodness; kindness; obligingness; preparedness. See more.
suffix noun [C]. B2 a âletter or âgroup of âletters âadded at the end of a word to make a new word: The suffix -ness âadded to the end of the word âsweet âforms the word âsweetness, âchanging an âadjective into a ânoun. More examples. 1  In the word 'â slowly ', 'ly' is a suffix.