against

(katakana 'me') + (beret) + (glueglue)
★★★★☆
7 strokes
BETAJERK
JERK: Usually, it means "against", and is pronounced TAI, but very occasionally it means "pair" - the OPPOSITE being against!

Also, when it's used to mean "pair", it's pronounced つい, but probably you don't need that one.

Onyomi

TAI

Mnemonic

In May, it is fashionable to glue a neckTIE against your beret.

Jukugo

絶対(ぜったい)

absolutely, without fail ★★★★☆
(extinct) + (against) = 絶対 (absolutely, without fail)

反対(はんたい) する

against it!!!!!!!!!! ★★★★☆
(anti) + (against) = 反対 (against it!!!!!!!!!!)

to be against something

対策(たいさく)

counter-plan / counter-measure ★★★☆☆
(against) + (take measures) = 対策 (counter-plan / counter-measure)

反対派(はんたいは)

the opposing faction ☆☆☆☆☆
(against it!!!!!!!!!!) + (faction/bling) = 反対派 (the opposing faction)

Synonyms

resist
対抗する    抵抗    逆らう   
to confront, to face
向く    向き合う    面する    対向    臨む   
absolutely, definitely
絶対    是非