1. Having a single ear

See also: monaural

• interest expense
• interest group
• interest rate
• interest-bearing
• interested
• interestedness
• interesting
• interestingly
• interestingness
• interface
• interfacial
• interfacial surface tension
• interfacial tension
• interfaith
• interfere
• interference
• interference fringe
• interfering
• interferometer
• interferometry
• interferon
• interfuse
• interfusion
• intergalactic
• intergalactic space