big, comfortable, convincing, decisive, easy, emphatic, handsome (esp. BrE), resounding, runaway (BrE)
excellent, fine, great, impressive
thrilling
remarkable, shock (BrE), unexpected, upset (AmE)
famous
People still talk about the famous win against Brazil.

last-gasp (BrE), narrow
An extra-time penalty gave Barcelona a last-gasp win over Chelsea.

overtime (AmE)
hard-earned (esp. BrE), hard-fought
come-from-behind (AmE)
deserved (BrE)
away, home (both BrE)
The team claimed a 6–3 away win over Middlethorpe.

back-to-back, consecutive, straight
The Red Sox opened the season with five straight wins.

five-point, two-goal, etc.
cup-final (in football/soccer), final-round, league, play-off, semi-final
Super Bowl™, World Series, etc.
Democrat, Labour, etc.

chalk up, claim, clinch (esp. BrE), earn, gain, get, have, notch, notch up, post (esp. AmE), pull out (esp. AmE), record, score
We've had three successive wins in the National League.
Torino notched up a 2–1 win at Lazio.

cruise to, romp to (esp. BrE)
Woods romped to a 12-shot win in the Open.

deserve, earn
give sb
celebrate

come
His only big win came in the French Open ten years ago.

keep sb, lift sb, put sb, take sb
Williams's straight-sets win puts her through to the semi-final.

without a win
They've gone four games without a win.

win against, win over
Liverpool gained a thrilling 5–4 win over Glenavon.

comfortably (esp. BrE), convincingly, decisively, easily, handily (esp. AmE), hands down, handsomely (esp. BrE), outright
The French team won hands down.

narrowly
She narrowly won the first race.

nearly
duly (BrE)
He duly won, but was then sidelined by a leg injury.

unexpectedly
eventually, finally, ultimately

deserve to
We didn't deserve to win—we played very badly.

hope to, want to
be expected to, be tipped to (BrE), expect to
The actress is tipped to win an Oscar for her performance.

be in a position to, be likely to
He entered election day in a strong position to win.

have yet to
He has yet to win a major tournament.

go on to
The movie was an instant success and went on to win five Academy Awards.

be going to
Who do you think is going to win?

manage to
try and, try to
You have to try and win every race.

fail to
The far right party failed to win a single seat.

help (to), help sb (to)
qualities which help win business and motivate staff

against
They stand a good chance of winning against their league rivals.

at
I never win at tennis.

by
She won the race by 25 seconds.

be capable of winning (sth)
There are a lot of teams capable of winning the title.

be confident of winning (sth)
We're confident of winning the title this year.

a chance of winning (sth), a chance to win sth, an opportunity to win sth
the chance to win the trip of a lifetime

succeed in winning sth
He succeeded in winning their confidence.

have, know, etc. what it takes to win sth
Does he have what it takes to win the Tour?

win by a landslide, win in a landslide (AmE)
President Reagan won by a landslide.

win or lose

Win is used with these nouns as the subject:
gymnast, jockey, party, side, team

Win is used with these nouns as the object:
acceptance, acclaim, accolade, acquittal, admiration, admirer, affection, appeal, applause, approval, argument, award, backing, ball, battle, bet, bid, bronze, bursary, case, championship, claim, compensation, competition, concession, confidence, contest, contract, control, convert, conviction, corner, crown, cup, custody, damage, deal, debate, dispute, district, division, election, encounter, endorsement, event, fame, favour, fight, final, fortune, franchise, freedom, friend, funding, game, glory, gold, goodwill, heart, heat, honour, independence, injunction, jackpot, job, judgement, kudos, league, liberty, licence, lottery, loyalty, majority, mandate, marathon, match, medal, meet, nomination, office, order, ovation, passage, penalty, permission, place, point, popularity, praise, presidency, prize, promotion, quiz, race, raffle, rally, recognition, referendum, relay, representation, reprieve, reputation, respect, review, role, round, scholarship, seat, selection, series, set, settlement, silver, single, sponsorship, state, struggle, suit, support, sympathy, tender, term, title, toss, total, tournament, trophy, trust, victory, vote, war