1 particular, specific, exceptional, uncommon, especial, rare, unusual, out of the ordinary, extraordinary, different, unorthodox, unconventional, unique, precise, individual, singular, distinctive, specialized, certain, remarkable, inimitable, idiosyncratic, curious, peculiar, odd, strange, bizarre, weird, one of a kind; distinguished, notable, noteworthy:
They have a special way of communicating with each other. I bought something very special for your birthday. A special relationship sprang up between us.
2 significant, important, momentous, earth-shaking, memorable, red-letter; gala, festive, celebratory:
The fifth of September is a special day in our family.
3 pointed, concerted, deliberate, particular, extra, determined:
After I had made a special effort to get there, nobody was home.
4 exclusive, express, individual, extra:
Send the packet by special messenger.
5 dear, intimate, particular, good, close, bosom, staunch, loyal, faithful, devoted, steadfast; dearest, best, closest; esteemed, valued:
I wasn't aware that John Spencer was a special friend of yours.
6 prime, primary, major, prominent, paramount:
I shouldn't attach any special importance to her demands.
expert, authority, professional, master, connoisseur, maestro, artiste, artist, adept:
Pierre Legrand is a specialist in matching antique furniture finishes. Such work requires specialist knowledge.