adj.
VERBS
▪ be , become , prove
ADVERB
▪ extremely , fairly , very , etc.
▪ enormously
▪ especially , particularly
▪ increasingly
▪ potentially
▪ prohibitively
▪ relatively
▪ politically
▪
The candidate's mistake proved embarrassing and politically ~.
PREPOSITION
▪ for
▪
The six-month delay will be ~ for the company.
▪ in
▪
This process is ~ in computer time.
▪ in terms of
▪
These teaching methods are too ~ in terms of staff resources.
▪ to
▪
These measures could be ~ to employers.
Costly is used with these nouns: ↑ delay , ↑ disaster , ↑ exercise , ↑ failure , ↑ litigation , ↑ mistake , ↑ repair , ↑ undertaking , ↑ venture