Intended for serious traders who time the market, they are highly combustible.

Since creosote is highly combustible, a thick accumulation creates a fire hazard.

When the spark of alleged racism is added it can be a highly combustible mix.

Pakistan has taken action against some groups, but the situation remains highly combustible.

Judging from the highly combustible tone of her letters she was considerably understating the case.

It had compressed to a highly combustible level.

Fire was an acute danger in wooden ships filled with highly combustible stores.

It offers only the highly combustible mixture of transience and novelty.

These tankers, because of their cargo, were highly combustible when attacked.

Since hydrogen gas is highly combustible, Tom throttled down the machine so as to produce only a small amount.