Vocabulary 26:

1- unfair
adjective
not right or fair, especially by not giving an equal opportunity to everyone:
• an unfair advantage
• U.S. industries want to protect themselves from unfair foreign competition. [+ to]:
• The welfare system is unfair to both taxpayers and recipients. [it is unfair (of sb) to do sth]:
• It's unfair to give it to John and not to me.unfairly adverb
unfairness noun [U]

2- unfaithful
adjective
1 someone who is unfaithful has sex with someone who is not their wife, husband, or usual partner [+ to]:
• Nell was shocked to discover her father had been unfaithful to her mother.2 not loyal to a principle, person etc.
unfaithfully adverb
unfaithfulness noun [U]

3- unfit
adjective
1 not good enough to do something or to be used for a particular purpose:
• an unfit mother [+ for]:
• Brown is unfit for public office. [unfit to do sth]:
• The disease has left her medically unfit to fly.:
• unfit for human habitation/consumption (= not good enough for someone to live in or to eat)
2 not in a good physical condition

4- unconscious
adjective
1 unable to see, move, feel etc. in the normal way because you are not conscious:
• Billy was unconscious for two days after the accident.• knock/beat sb unconscious: She fell off the bike and was knocked unconscious.2 relating to or coming from the part of your mind in which there are thoughts and feelings that you do not realize you have:
• the unconscious mind• unconscious desires --compare SUBCONSCIOUS1
3 be unconscious of sth to not realize the effect of something, especially something you have said or done:
• Barb seemed quite unconscious of the attention her dress was attracting.unconsciously adverb
unconsciousness noun [U]

5-uncertain
adjective
1 not sure, or feeling doubt [+ about]:
• I was uncertain about who I should call. [uncertain if/whether/what/who etc.]:
• Nelson looked up, uncertain whether he should continue.2 not clear, definite, or decided:
• A spokesman said the governor's travel plans were still uncertain.
• They were worried about their son's uncertain future.
3 in no uncertain terms if you tell someone something in no uncertain terms, you tell them very clearly without trying to be polite:
• They let us know in no uncertain terms that we were not welcome.
4 if someone walks in an uncertain way, they seem as though they might fall:
• She took a few uncertain steps forward.uncertainly adverb