| Vocabulary Words | Meanings |
|---|---|
| ubiquitous | existing everywhere, omnipresent |
| ugly | not pretty or pleasant to look at |
| ulcer | an open sore on the skin or inside you |
| ultimatum | the last offer, Final warning |
| umbrella | a round piece of material stretched over thin pieces of metal. It can be opened and held over your head to keep you from getting wet in the rain |
| umpire | someone who settles arguments and decides whether players have broken the rules in games like cricket and tennis |
| uncle | the brother of your mother or father |
| uncomfortable | not at ease; feeling awkward |
| underground | underneath the ground. The same word also means a railway that runs in a tunnel under the ground |
| underline | to draw a line under a word |
| underneath | in a lower place; under something |
| understand | to know what something means |
| undo | to unfasten, untie or open something |
| undone | unfastened; opened |
| undress | to take your clothes off |
| unexpected | not expected; sudden |
| unhappy | not happy; sad |
| unhealthy | not healthy, sickly |
| unicorn an | imaginary animal that looks like a horse with a horn in the middle of its forehead |
| uniform | special clothes worn by those who belong to a group of people such as the army, the navy, or a school |
| unify | to form into one |
| unimportant | not important |
| uninteresting | not interesting |
| union | a joining together. The same word also means a group of workers who have joined together |
| union jack | the national flag of the United Kingdom |
| unit | a single thing |
| unite | to join together, to do something together as a group |
| universal | to do with everyone, everywhere |
| unkind | not kind; cruel |
| unless | if not; if you do not |
| unlike | not like; different |
| unload | to take a load from; to take the bullets out of a gun |
| unpleasant | not pleasant; nasty |
| unsteady | not steady; shaky |
| unsuccessful | not successful; not able to do something you try to do |
| untidy | not neat; not well arranged |
| until | up to the time. You are not allowed to drive a car until you are old enough |
| unusual | not usual; out of the ordinary |
| unwarp | to take the covering off something |
| unwell | ill; not healthy |
| up | towards a higher place; the opposite of down |
| upon | on top of something |
| uppercut | an upward blow used by a boxer |
| uppermost | highest in place, rank or power |
| uproar | a noisy disturbance; shouting and yelling |
| upset | to knock something over. The same word also means to be worried or ill |
| upside-down | turned over, with the top part underneath |
| upstairs | on a floor above the ground floor of a building |
| upstream | towards the upper part of a stream |
| upward | going up |
Stressed and Unstressed
In English sentences content words are stressed while structural words are generally not.