Prefixes un-, de-, dis-

3rd Bimonthly5th grade

prefixes

• A prefix is a letter or a group of letters that appears at the beginning of a word and changes the word's

• The prefix de- means away from or down. • The prefix dis- means not, or the opposite of

something. • The prefix un- means not, against, or opposite.

uncover

• to remove the cover or covering from.

defrost

• to remove the frost or ice from

uncomfortable

• causing a feeling of physical discomfort

discourage

• to make (someone) less determined, hopeful, or confident

disadvantage

• something that puts one in an unfavorable position or condition

unfortunate

• the state of a person or thing that suffers.

unfamiliar

• not frequently seen, heard, or experienced

disability

• a condition (such as an illness or an injury) that damages or limits a person's physical or mental abilities

discomfort

an uncomfortable or painful feeling in the body

deodorant

• a substance that you put on your body and especially under your arms to prevent, remove, or hide unpleasant smells

unemployed

• having no job : not employed

deflate

• to lose air or gas from inside

disbelief

• a feeling that you do not or cannot believe or accept that something is true or real

unpredictable

• not able to be predicted

disapprove

• to believe that someone or something is bad or wrong

disappoint

• to make (someone) unhappy by not being as good as expected

unpleasant

• not pleasant or enjoyable

dehydrated

• to lose too much water

disqualify

• to stop or prevent (someone) from doing, having, or being a part of something

undecided

• not decided or determined.

unnecessary

• not needed

disobedient

• not doing what someone or something with authority tells you to do

dehumidifier

• to take moisture from (as the air)

disinfectant

• a chemical substance that is used to kill harmful germs and bacteria

disenchanted

• no longer happy or satisfied with something