11-Letter Words Containing: E,I,N,F,E,C,T

• a knife with a blade that folds into the handle; suitable for carrying in the pocket

• not producing an intended effect

• lacking in power or forcefulness

• lacking the ability or skill to perform effectively; inadequate

• with efficiency; in an efficient manner

• a constant number that serves as a measure of some property or characteristic

• To add caffeine to.

• To drink caffeinated beverages in order to increase one's energy or wakefulness or to enhance physical or mental performance.

• To inject tension into (a situation, etc.) for one's own amusement; to stir things up.

• To provoke (a person) for one's own amusement.

• Containing caffeine naturally (e.g., coffee, tea, and cacao [whose seeds are used to make cocoa, chocolate, and their various derivative products]) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).

• Overly peppy or energetic (as in a person or pet).

• not producing desired results; wasteful

• lacking the ability or skill to perform effectively; inadequate

• not producing an intended effect

• producing no result or effect

• lacking in power or forcefulness