Anagrams of: TOUGHENER

• make tough or tougher

• Unto this; up until now; hereto.

• make rough or rougher

• not given to gentleness or sentimentality

• physically toughened

• resistant to cutting or chewing

• someone who learned to fight in the streets rather than being formally trained in the sport of boxing

• an aggressive and violent young criminal

• a cruel and brutal fellow

• very difficult; severely testing stamina or resolution

• substantially made or constructed

• violent and lawless

• feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')

• unfortunate or hard to bear

• making great mental demands; hard to comprehend or solve or believe

• an adequate quantity; a quantity that is large enough to achieve a purpose

• as much as necessary

• sufficient for the purpose

• a physiological need for food; the consequence of food deprivation

• strong desire for something (not food or drink)

• feel the need to eat

• have a craving, appetite, or great desire for

• be hungry; go without food

• a narrow depression (as in the earth or between ocean waves or in the ocean bed)

• a channel along the eaves or on the roof; collects and carries away rainwater

• a concave shape with an open top

• a treasury for government funds

• a long narrow shallow receptacle

• a container (usually in a barn or stable) from which cattle or horses feed

• a mathematical element that when added to another number yields the same number