flexing

Example:He hid his boredom by attempting to fit in with the conversation.

Definition:To put someone, something or information away; to keep something unseen.

Example:He quickly retracted his declaration after realizing how much it offended others.

Definition:To draw back (anything outstretched, extended, protruding, etc.); to pull in; to contract; to bring together (a part that is extended or protruding).

Example:The scientist occluded the light using a dark cloth to maintain a darkened environment.

Definition:To cover or close something up.

Example:He deleted his past e-mail messages to prevent his boss from seeing them.

Definition:To remove, as from a computer or the like, by programming.