TOUGHEN Synonyms

• become hard or harder

• make hard or harder

• harden by reheating and cooling in oil

• make healthy

• cause to accept or become hardened to; habituate

• make stronger

• strengthen and support with rewards

• a period of the year marked by special events or activities in some field

• one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions

• a recurrent time marked by major holidays

• lend flavor to

• make healthy

• make more temperate, acceptable, or suitable by adding something else

• make solid or more solid; cause to solidify

• become solid

• an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range

• a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard

• knife sharpener consisting of a ridged steel rod

• get ready for something difficult or unpleasant

• cover, plate, or edge with steel

• make strong or stronger

• gain strength

• give a healthy elasticity to

• a sudden outburst of anger

• a characteristic (habitual or relatively temporary) state of feeling

• a disposition to exhibit uncontrolled anger

• the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking

• bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling

• harden by reheating and cooling in oil

• adjust the pitch (of pianos)

• make more temperate, acceptable, or suitable by adding something else

• change by restraining or moderating