This material is for upper intermediate and higher level students who want to continue to improve.
Adjectives - opposites (1):
Instructions
(1) Say the opposite of the adjectives on the audio.
(2) Each opposite needs a prefix: either in- or un-
(3) Speak in the gaps in the audio. You then hear the correct answer. Practise until you can answer quickly in the gaps. Be careful with pronunciation and stress – copy the audio example.
(4) It is important to speak clearly (Do not “say” the answer in your head!)
Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.
(4) Click to see the vocabulary. Check all meanings and spellings. Do not read the answers whilst doing the audio exercise.


Interesting new stuff. Paul, in the attached vocabulary list, the word “infrequent” was typed as “unfrequent”, and “conventional” is missing.
I have got a few adjectives and I am not sure whether they are opposite words or not?
confident, diffident
timeless, time-worn
bound, boundless
spiritual, physical
Oops! I have changed it. Confident and diffident are approximate opposites. The others are not. (“bound” is not normally an adjective – usually a verb)
HI,Paul,it is very usefu.Is there any rule about these words?Like what kinds of words have a prefix:in-,what have a un-?thanks
No, there is no rule. That’s why it’s important to practise again and again until it becomes automatic. (Of course, most people don’t and never reach a higher level!)