Defining Affixes

The prefix NON- as in nonsense means

• filled with
• without
• common

The prefix PRE- as in precooked means

• before
• after
• during

The suffix -NESS as in eagerness means

• that the word is a noun
• that the word is an adjective
• that the word is a verb

The suffix -OR as in instructor means

• a person who does
• a time when
• a place for

The suffix -LESS as in humorless means

• able to have
• without
• full of

The prefix UN- as in unskilled means

• not or without
• against
• before

The suffix -FUL as in skillful means

• without 
• again
• filled with

the suffix -EN as in brighten means

• able to be
• not
• to make

The suffix -TEEN as in sixteen means

• plus one
• plus ten
• plus one hundred

The prefix TRI- as in triangle means

• below
• three
• without