Stumble on

• do sth immediately

• meet sb by chance

• take up a new thing

• work out

solidify

• work hard

• make fun of

• collaborate

• strengthen

Outrageously

• interestingly

• sadly

• Excessively

• luckily

Be all the rage

• interesting

• familiar

• vivid

• o be very popularor fashionable.

Intermittently

• excessively

• outrageously

• Sporadically

• inherently

Sufficient

• enough

• lack

• empty

• peaceful

Tenuous

• certain

• robust

• uncertain

• exact

Wipe something out

• erect

• refresh

• expand

• destroy

Conservative

• new

• conventional

• robust

• rational

Resemble

• different

• opposite

• look like

• strange