1. Unfulfilled or frustrated in realizing an ambition
   - would-be

See also: ambitious, aspirational

• acyl group
• acyl halide
• acylation
• acylglycerol
• ad
• ad agency
• ad blitz
• ad campaign
• ad hoc
• ad hominem
• ad infinitum
• ad interim
• ad libitum
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• ad val
• ad valorem
• ad valorem tax
• ad-lib
• ad-libber
• ADA
• ADA-SCID
• adactylia
• adactylism
• adactylous