UKAustraliaNew ZealandinformalBritish
- Not functioning properly; unreliable or faulty (especially of mechanical objects or bodily organs).
- Ill; unwell or slightly off in health (applied to people or body parts, e.g., 'dicky tummy', 'dicky heart').
UKgeneralinformalcolloquial
- A small bird; used literally or as an affectionate, informal term of endearment (often in compounds such as 'dicky-bird').
UKhistoricaldatedformal
- A shirtfront or detachable false shirt front (variant spelling 'dickey'); an obsolete clothing term.