simple past tense and past participle of jam

plural of jam

Third-person singular simple present indicative form of jam

(UK, informal) A household that is only barely able to meet its financial obligations.

plural of JAM

Full to capacity; jam-packed; chokka.

Any of various methods of modifying mass media (especially advertisements) to convey a different message.

(military) The deliberate radiation or reradiation of mechanical or electroacoustic signals with the objectives of obliterating or obscuring signals that an enemy is attempting to receive and of disrupting enemy weapons systems.

plural of culture jamming

present participle of ram-jam