Undefined

4.7

842 Reviews

CAN$31 to CAN$50

Bistro

35 King William St, Hamilton, ON L8R 1A1

Make a reservation

2 people

Apr 21, 2025

April 2025

7:00 PM

Booked 8 times today

Experiences are available.

About this restaurant

Great for creative cocktails
Good for special occasions
Innovative

UnDefined has been changing the way people think about dining out in Hamilton. Voted one of Hamilton's best all-around restaurants for 2021, 2022, 2023, we are making a big impact on King William Street. With an evolving, seasonal and whimsical approach, our passion is what drives us every day. We strive to push the limits, and for our team, it is just what we love to do. We cook from scratch because that is just the way it should be. We love to challenge the way we all think about dining out.

We believe that there is no reason to put yourself in a box when going out with friends, so we do not do that here. Whether it is a night out with friends, an intimate dinner for two, or just something extraordinary, We are not afraid to take the familiar and turn it into something memorable. If it tastes good, we will put it on a plate, in a glass, or whatever. Our mantra is as simple as eat, drink, and enjoy!

Dining areas

Additional information

Dining style
Casual Elegant
Price
CAN$31 to CAN$50
Cuisines
Bistro, Farm-to-table, Cocktail Bar
Hours of operation
Brunch Sat, Sun 10:00 am–3:00 pm Lunch Wed–Fri 11:30 am–4:00 pm Dinner Daily 4:00 pm–10:00 pm Bar Fri, Sat 10:00 pm–12:00 am
Phone number
(905) 393-8343
Website
http://www.eatundefined.com/
Payment options
AMEX, Mastercard, Visa
Dress code
Business Casual

Location
35 King William St, Hamilton, ON L8R 1A1
Neighborhood
Hamilton
Cross street
James Street North & King William
Parking details
Street Parking
Public transit
James Street North & King William
Additional
Bar/Lounge, Beer, Chef's Table, Cocktails, Corkage Fee, Full Bar, Gender Neutral Restroom, Gluten-free Options, Happy Hour, Late Night, Non-Smoking, Patio/Outdoor Dining, Vegan, Weekend Brunch, Wine

Gift card

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Experiences

Brunch UnDefined!
Jan 31, 2025 - Apr 30, 2025
Join us for an UnDefined brunch Saturdays & Sundays. UnDefined is know for its ever evolving menus and unique additions. Indulge in some of our favorites as well as a seasonal a la carte offerings to brunch without definition. Reservations highly recommended - No additional costs - Menu offering is a la carte
Easter Brunch 2025
Apr 19, 2025 - Apr 20, 2025
Join us for an UnDefined Easter brunch this holiday. Indulge in some of our favorites as well as a special a la carte offerings to celebrate without definition. Reservations highly recommended - Menu offered is a la carte - Don't forget to pre order our Macaroon + spring flower box for that special someone!
Mothers Day..UnDefined
May 10, 2025 - May 11, 2025
Celebrate your special someone this Mothers Day with friends and family while indulging in our Chefs special la carte brunch menu. UnDefined is known for its everchanging offering of creative and innovative dishes as well as classics reimagined. This Mothers Day allow us to show you how we Undefine Brunch. - Menu offered is a la carte - Mothers Days Macaroons Boxes are Limited

Popular dishes

What 842 people are saying

Undefined reviews from people who’ve dined at this restaurant. Based on recent rating.

Overall ratings and reviews

Reviews can only be made by diners who have eaten at this restaurant

4.7

4.7 based on recent ratings

4.7Food
4.7Service
4.6Ambience
4.4Value

Noise • Moderate

Loved For

Toronto / Ontario
Bistro
Southern Ontario
Innovative

Review summary

AI-generated from verified diner reviews

Undefined is a standout dining destination in Hamilton, celebrated for its "amazing, unique menu" and "delicious" food. The ambiance offers a "nice warm atmosphere," perfect for any occasion, with consistently "great service" from attentive staff like Hannah. Innovative dishes and creative cocktails make every visit memorable.

842 Reviews

P
Paul VIP
New York City1 review
5.0
Dined 1 day ago
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 5
Great food and great atmosphere, have been to the restaurant a couple of time and enjoyed it every time.
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S
Steve
Toronto9 reviews
4.0
Dined on April 13, 2025
1. Overall 4
2. Food 4
3. Service 4
4. Ambience 4
This was our first visit and we will be back. It was a perfect day for a patio table.
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M
Marijana
Toronto4 reviews
5.0
Dined on April 12, 2025
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 5
Amazing, unique menu and delicious! Service and atmosphere was awesome. Will be back!
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A
Anthony
Exclusive1 review
4.0
Dined on April 11, 2025
1. Overall 4
2. Food 3
3. Service 4
4. Ambience 4
Great service, great appetizer (calamari) cocktails and dessert. The mains could have been better.
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W
Wendy VIP
Toronto3 reviews
2.0
Dined on April 6, 2025
1. Overall 2
2. Food 2
3. Service 3
4. Ambience 2
The eggs were not cooked properly for our table, as well as being cold food, really noisy environment, while presentation was good the food under delivered. Should not be rated 4.6 on Google.
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E
Emily
Toronto2 reviews
4.0
Dined on April 5, 2025
1. Overall 4
2. Food 4
3. Service 5
4. Ambience 5
Everything was very nice but the scallop risotto only had 3 scallops. A fourth scallop would have been better.
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A
Aaron
Toronto1 review
5.0
Dined on April 4, 2025
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 5
One of the best places to eat in Hamilton! The food service and vibe is perfect!
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S
Simona VIP
Toronto6 reviews
5.0
Dined on March 29, 2025
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 5
Ive been here several times and it never disappoints! The food, service, and atmosphere make this a 10/10 experience that’s great for any occasion or “just because”
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J
Jennifer VIP
Toronto21 reviews
5.0
Dined on March 29, 2025
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 4
I love the flavors used and the dishes that are presented. The service is so great, never skipping a beat to fill up my water glass to evenly spacing out the courses.
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s
steph
Unspecified1 review
5.0
Dined on March 29, 2025
1. Overall 5
2. Food 5
3. Service 5
4. Ambience 5
Biscuits were outstanding. We shared the Cobb with grilled chicken and steak & eggs for brunch. I can't believe the place wasn't packed. Service was friendly and prompt and it was a nice calm space. HIGHLY RECOMMEND!
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FAQs

Undefined is rated 4.7 stars by 842 OpenTable diners.

Undefined does offer gift cards which you can purchase here.

Yes, you can generally book this restaurant by choosing the date, time and party size on OpenTable.