frustrate /fru-strātˈ or frusˈtrāt/

1. To make useless or of no effect
2. To bring to nothing
3. To balk
4. To thwart

1. Useless or ineffectual
2. Balked

frustraˈted adjective

1. Thwarted
2. Having a sense of discouragement and dissatisfaction
3. Sexually unfulfilled

frustraˈting adjective

• calligrams
• calligrapher
• calligraphers
• calligraphic
• calligraphical
• calligraphies
• calligraphist
• calligraphists
• calligraphy
• call in
• calling
• calling card
• castles
• castles in Spain
• castles in the air
• cast light
• cast light on
• castling
• cast loose
• cast lots
• castock
• castocks
• cast off
• cast-off
• cast-offs