Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Vocab Unit 1 Less. 1

English Vocab Unit 1 Lesson 1 Prefix Ob- / Op- / Oc-

TermDefinition
obfuscate render obscure, unclear, or unintelligibl
oblation a thing presented or offered to God or a god (sacrifice)
observant quick to notice things.
observation the action or process of observing something or someone carefully or in order to gain information.
observe notice or perceive (something) and register it as being significant.
obsession an idea or thought that continually preoccupies or intrudes on a person's mind.
obstruct block (an opening, path, road, etc.); be or get in the way of.
obtain get, acquire, or secure (something).
occlude stop, close up, or obstruct (an opening, orifice, or passage).
occur happen; take place.
offer present or proffer (something) for (someone) to accept or reject as so desired.
opponent someone who competes against or fights another in a contest, game, or argument; a rival or adversary.
oppose disapprove of and attempt to prevent, especially by argument.
obese grossly fat or overweight.
obliterate destroy utterly; wipe out.
oblivion the state of being unaware or unconscious of what is happening.
oblivious not aware of or not concerned about what is happening around one.
obsolete no longer produced or used; out of date.
occult supernatural, mystical, or magical beliefs, practices, or phenomena.
obdurate stubbornly refusing to change one's opinion or course of action.
obligation an act or course of action to which a person is morally or legally bound; a duty or commitment.
obloquy strong public criticism or verbal abuse.
obnoxious extremely unpleasant.
obsequious obedient or attentive to an excessive or servile degree.
obstreperous noisy and difficult to control.
obtrude become noticeable in an unwelcome or intrusive way.
obtrusive noticeable or prominent in an unwelcome or intrusive way.
obtuse annoyingly insensitive or slow to understand.
obvious easily perceived or understood; clear, self-evident, or apparent.
occident the countries of the West, especially Europe and the Americas (contrasted with orient).
occidental of or relating to the countries of the Occident.
oppress keep (someone) in subservience and hardship, especially by the unjust exercise of authority.
oppressive unjustly inflicting hardship and constraint, especially on a minority or other subordinate group.
Created by: stasia_00
Popular English Vocabulary sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards